1,361 Answered Questions for the topic Functions

Functions Trigonometry

11h

Find all solutions of the equation in the interval [0,2pi).

Find all solutions of the equation in the interval [0,2pi). sin2x=2+2cosxWrite your answer in radians in terms of pi. If there is more than one solution, separate them with commas. x=

Read Description Set-builder notation { x |1 ≤ x ≤ 3 or x > 5 }

Is it correct to use the ^(and) sign instead of or in the above notation?
Functions Trigonometry

5d

Use a special right triangle to find the sine, cosine, tangent, cosecant, secant, and cotangent of π/4.

sin π/4 =cos π/4 = tan π/4 =csc π/4 =sec π/4 =cot π/4 =
Functions Math Science Algebra 1

8d

combining functions

 f(x)=−3x and g(x)=x2+3(f*g)(4)=???
Functions Math Science Algebra 1

8d

combining functions

f(x)=x3−4 and g(x)=x3 Step 1 of 2: Find the formula for (f∘g)(x) and simplify your answer. Then find the domain for (f∘g)(x)(f*g)(x)=???Domain=???

9d

The mathematical model for learning an assembly-line procedure needed for assembling one component of a manufactured item is n = -5 In (0.89/P-1)

The mathematical model for learning an assembly-line procedure needed for assembling one component of a manufactured item is n = -5 In (0.89/P-1) where P is the proportion of correctly assembled... more
Functions Math Calculus Physics

9d

PLEASE HELP - The number of bacteria in a sample is increasing according to an exponential model.

The number of bacteria in a sample is increasing according to an exponential model. After three hours, the sample contained 100 bacteria. After nine hours, the sample contained 400 bacteria. Write... more

9d

An investor wants to analyze the earnings of a mutual fund account. Seven years ago, the value of the account wa

An investor wants to analyze the earnings of a mutual fund account. Seven years ago, the value of the account was $23,000 and it is now worth $28,750 (no additional deposits were made). If the... more
Functions Math Calculus Physics

9d

Suppose $18,100 is invested in a monthly compounded account at 3.01%. Approximately how long will it take for the balance to reach $39,820 ?

Suppose $18,100 is invested in a monthly compounded account at 3.01%. Approximately how long will it take for the balance to reach $39,820 ?Round the answer to the nearest tenth of a year. ? years
Functions Math Calculus Physics

9d

A radioactive substance decays from 85mg to 22.1mg in 25 years according to the exponential decay model y=ae-bx, where a is the initial amount and y is the amount remaining after years.  

A radioactive substance decays from 85mg to 22.1mg in 25 years according to the exponential decay model y=ae-bx, where a is the initial amount and y is the amount remaining after years. Find... more
Functions Math Science Algebra 1

10d

combining functions

Find (f∘g)(2) for the following functions. f(−9)=−13 and g(2)=−9(f*g)(2)=???
Functions Math Science Algebra 1

10d

combining functions

f(x)=4x and g(x)=cube of √x Step 2 of 2 : Find the formula for (f/g)(x) and simplify your answer. Then find the domain for (f/g)(x).(f/g)(x)=???Domain=???
Functions Math Algebra 2 Calculus

11d

A radioactive substance decays from 85mg to 22.1mg in years according to the exponential decay model

A radioactive substance decays from 85mg to 22.1mg in years according to the exponential decay model y=ae-bx, where a is the initial amount and y is the amount remaining after years. Find... more
Functions Calculus

11d

How will we find the inverse of x^5/1+x^4 ?

Functions Math Sat Math Algebra

13d

Find the values of x such that f(x)<h(x) given f(x)=1-4^(2-x)[(1/2)^(x+3)] and h(x)=8^x

Find the values of "x" given: f(x)<h(x) f(x)=1-4^(2-x)[(1/2)^(x+3)] h(x)=8^x
Functions Math Sat Math Algebra

13d

If log m (ab) = 4 and log m (a/b) = 12, then find log m a / log m b

Hello! I would really appreciate some assistance in solving this problem algebraically. Thank you in advance!
Functions Math Sat Math Algebra

13d

Given the function f(x)=1-4^(2-x)[(1/2)^(x+3)], find the value/s of x such that f(x)<h(x) if h(x)=8^x

Hello! I would greatly appreciate any assistance in solving this problem involving exponential functions. Thank you in advance!
Functions Calculus Geometry

14d

Challenging cylindrical problem with a derivate solution (no calculator allowed)

A closed cylindrical can with radius r centimetres and height h centimetres has a volume of 20π cm3. (Express the function as h in terms of r)The material for the base and top of the can costs 10... more

Still looking for help? Get the right answer, fast.

Ask a question for free

Get a free answer to a quick problem.
Most questions answered within 4 hours.

OR

Find an Online Tutor Now

Choose an expert and meet online. No packages or subscriptions, pay only for the time you need.