Question and Answers Forum

All Questions   Topic List

AllQuestion and Answers: Page 6

Question Number 217579    Answers: 0   Comments: 4

f : R → R f(f(x)) = x^2 − x + 1 f(x) = ? Altered Question# 217541

$$\mathrm{f}\::\:\mathbb{R}\:\rightarrow\:\mathbb{R} \\ $$$$\mathrm{f}\left(\mathrm{f}\left(\mathrm{x}\right)\right)\:=\:\mathrm{x}^{\mathrm{2}} \:−\:\mathrm{x}\:+\:\mathrm{1} \\ $$$$\mathrm{f}\left(\mathrm{x}\right)\:=\:? \\ $$$$\mathrm{Altered}\:\mathrm{Question}#\:\mathrm{217541} \\ $$

Question Number 217575    Answers: 2   Comments: 0

Question Number 217569    Answers: 0   Comments: 0

sketch the graph of y=⌊x^2 ⌋ for n≤x<n+1

$${sketch}\:{the}\:{graph}\:{of}\:{y}=\lfloor{x}^{\mathrm{2}} \rfloor\:{for}\:{n}\leqslant{x}<{n}+\mathrm{1} \\ $$

Question Number 217568    Answers: 0   Comments: 0

skech the graph of y=⌊x+0.5⌋ for n≤x<n+1, where n is an integer

$${skech}\:{the}\:{graph}\:{of}\:{y}=\lfloor{x}+\mathrm{0}.\mathrm{5}\rfloor\:{for}\:{n}\leqslant{x}<{n}+\mathrm{1},\:{where}\:{n}\:{is}\:{an}\:{integer} \\ $$

Question Number 217567    Answers: 0   Comments: 0

Question Number 217565    Answers: 2   Comments: 1

Question Number 217541    Answers: 1   Comments: 0

f : R → R f(f(x)) = x^2 − x + 1 f(0) = ?

$$\mathrm{f}\::\:\mathbb{R}\:\rightarrow\:\mathbb{R} \\ $$$$\mathrm{f}\left(\mathrm{f}\left(\mathrm{x}\right)\right)\:=\:\mathrm{x}^{\mathrm{2}} \:−\:\mathrm{x}\:+\:\mathrm{1} \\ $$$$\mathrm{f}\left(\mathrm{0}\right)\:=\:? \\ $$

Question Number 217535    Answers: 2   Comments: 0

A two-digit number is such that the sum of its digits is 10. When the digits are reversed, the new number is 28 less than twice the original number. Find the original number.

$$\mathrm{A}\:\mathrm{two}-\mathrm{digit}\:\mathrm{number}\:\mathrm{is}\:\mathrm{such}\:\mathrm{that} \\ $$$$\:\mathrm{the}\:\mathrm{sum}\:\mathrm{of}\:\mathrm{its}\:\mathrm{digits}\:\mathrm{is}\:\mathrm{10}.\:\mathrm{When} \\ $$$$\mathrm{the}\:\mathrm{digits}\:\mathrm{are}\:\mathrm{reversed},\:\mathrm{the}\:\mathrm{new}\:\mathrm{number} \\ $$$$\:\mathrm{is}\:\mathrm{28}\:\mathrm{less}\:\mathrm{than}\:\mathrm{twice}\:\mathrm{the}\:\:\mathrm{original}\:\mathrm{number}. \\ $$$$\:\mathrm{Find}\:\mathrm{the}\:\mathrm{original}\:\mathrm{number}. \\ $$

Question Number 217528    Answers: 0   Comments: 1

Question Number 217521    Answers: 1   Comments: 1

Question Number 217519    Answers: 1   Comments: 1

Question Number 217509    Answers: 1   Comments: 1

Question Number 217506    Answers: 1   Comments: 7

Question Number 217504    Answers: 0   Comments: 1

A 20% load is connected to the secondary coil of a transformer which has Nₚ to Nₛ ratio of 1/4 calculate the maximum current through the load if the input Vᵣₘₛ is 120V A 34 A B 24 A C 480 A D 480√2 A

$$ \\ $$A 20% load is connected to the secondary coil of a transformer which has Nₚ to Nₛ ratio of 1/4 calculate the maximum current through the load if the input Vᵣₘₛ is 120V A 34 A B 24 A C 480 A D 480√2 A

Question Number 217495    Answers: 1   Comments: 0

Question Number 217489    Answers: 0   Comments: 0

Question Number 217482    Answers: 0   Comments: 0

( n(√((n+1))) +(n+1)(√n) )^n +( n(√((n+1))) −(n+1)(√n) )^n =n^2 (n+1)(n+3)

$$\left(\:{n}\sqrt{\left({n}+\mathrm{1}\right)}\:+\left({n}+\mathrm{1}\right)\sqrt{{n}}\:\:\right)^{{n}} +\left(\:{n}\sqrt{\left({n}+\mathrm{1}\right)}\:−\left({n}+\mathrm{1}\right)\sqrt{{n}}\:\:\right)^{{n}} ={n}^{\mathrm{2}} \left({n}+\mathrm{1}\right)\left({n}+\mathrm{3}\right) \\ $$

Question Number 217448    Answers: 3   Comments: 2

Solve for x: (1+(√2) )^x +(1−(√2) )^x =14

$${Solve}\:{for}\:{x}: \\ $$$$\left(\mathrm{1}+\sqrt{\mathrm{2}}\:\right)^{{x}} +\left(\mathrm{1}−\sqrt{\mathrm{2}}\:\right)^{{x}} =\mathrm{14} \\ $$

Question Number 217447    Answers: 1   Comments: 14

Question Number 217441    Answers: 2   Comments: 0

∫_0 ^1 ((ln^3 (1−x))/x^3 ) dx=?

$$\int_{\mathrm{0}} ^{\mathrm{1}} \frac{\mathrm{ln}^{\mathrm{3}} \:\left(\mathrm{1}−{x}\right)}{{x}^{\mathrm{3}} }\:{dx}=? \\ $$

Question Number 217438    Answers: 0   Comments: 0

Question Number 217431    Answers: 2   Comments: 0

Question Number 217425    Answers: 2   Comments: 0

A restaurant offers 5 choices of appetizer, 10 choices of main meal and 4 choices of dessert. A customer can choose to eat just one course, or two different courses, or all three courses. Assuming all choices are available, how many different possible meals does the restaurant offer?

A restaurant offers 5 choices of appetizer, 10 choices of main meal and 4 choices of dessert. A customer can choose to eat just one course, or two different courses, or all three courses. Assuming all choices are available, how many different possible meals does the restaurant offer?

Question Number 217424    Answers: 2   Comments: 0

The angle of elevation of the top of a building 24 m high is observed from the top and from the bottom of a vertical ladder, and found to be 45° and 60° respectively. Find the height of the ladder.

The angle of elevation of the top of a building 24 m high is observed from the top and from the bottom of a vertical ladder, and found to be 45° and 60° respectively. Find the height of the ladder.

Question Number 217423    Answers: 1   Comments: 0

Question Number 217417    Answers: 2   Comments: 1

  Pg 1      Pg 2      Pg 3      Pg 4      Pg 5      Pg 6      Pg 7      Pg 8      Pg 9      Pg 10   

Terms of Service

Privacy Policy

Contact: info@tinkutara.com