1,744 Answered Questions for the topic Functions

Functions Precalculus

02/06/21

How to write a piecewise-defined function word problem?
I want to know how to write a piecewise-defined function word problem that applies to the real-world.
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Functions Calculus

02/05/21

For each pair of functions f(x) and g(x) find the following.

f(x) = x^6 + 2; g(x)= 1/2a. f(g(x)) = b. g(f(x))=
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02/03/21

Exponential Functions
If egg yolks have a pH of 6.4 then what is the pH of egg whites of they are 63 times more alkaline?
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02/03/21

Exponential Functions
If celery has a pH of 5.9 then how many times more acidic are apricots if they have a pH of 4.1?
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02/03/21

Exponential Functions
An earthquake of 6.7 occurred off the coast of British Columbia. A few hours later an aftershock occurred that was 150 times less intense than the original earthquake. What was the magnitude of the... more
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02/03/21

Exponential Functions
How many times more powerful is an earthquake with a Richter Scale reading of 7.9 than an earthquake with a rating of 3.2?
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02/03/21

Exponential Functions
A radioactive substance is produced from nuclear fallout. if 600g of the substance decays to 250g in 20 years what is its half-life?
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02/03/21

Exponential Functions
The half-life of a certain radioactive isotope is 20 days. How long does it take for 50g of the isotope to decay to 10g?
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02/03/21

Exponential Functions
A colony of bees doubles in population every 5 weeks. how long does it take for the population to triple?
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02/03/21

Exponential Functions

The intensity of light decreases by 4% for each meter that it descends below the surface of the water. At what depth is the intensity of light only 20% of that at the surface?
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02/03/21

Exponential Functions
An investment of $3000 lost 4% per year compounded weekly. A) How much is the investment worth after 5 years?B) How long does it take for the investment to be reduced to half of the initial amount?
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Functions Math

01/31/21

Functions- Math
how to graph the function forx= 1 to 25
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Functions Math Algebra 2

01/29/21

How to solve Odds for a lottery with 2 result sets ( not a conventional type )

Hoosier lottery has a game Quick Draw with bullseye. The game consists of 20 balls drawn 1-80 with the bullseye being randomly drawn after from one of the 20 numbers. The player to win picks 10... more
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01/27/21

Write an equation for the inverse function. State the domain of the inverse.

write an equation for the inverse function and state the domain of the inverse.F(x)= (x+4)^2 - 3
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01/27/21

Given f(x) and g(x), find g(f(x)).

F(x)=3x+1g(x)=x^-1 + 2x
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Functions Math Trigonometry

01/27/21

Trigonometry Functions 11
Evaluate exactly and provide a diagram for each to support your answer. Do not use your calculator. a) cos 210° = b) tan 315° = c) sin 240° = d) cos(-270)
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Functions Math Trigonometry Trig

01/27/21

Trigonometry Grade 11
A pool player is practicing angles. She hits a ball 2 feet to the bumper. The ball then rebounds at an angle of 74°travelling 3 feet away from the bumper. How far from the original location will... more
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Functions Slope Of A Line

01/27/21

find the slope of the line that is tangent to the graph f(x) = x^2 at point (2, 4).
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01/27/21

Find all rational zeros of f(x) = 6x^4− 5x^3 − 2x^2 − 8x + 3
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01/27/21

Write a linear function f with the values f(0)=-5 and f(1)=-3
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Functions Math Algebra 2 Calculus

01/26/21

Use all the skills you have developed in this unit to examine the polynomial f(x)=6x^4−5x^3−9x^2
 a. Use the Remainder Theorem to evaluate f(−2).State your answer in term of f(−2) (SOLVED) B. How can the remainder theorem be useful?(SOLVED) C. Use the Factor Theorem to completely factor... more
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Functions Math Algebra 2 Calculus

01/26/21

I KNOW IT IS LONG BUT ITS SOO IMPORTANT PLEASE HELP!

So we have this table to as an example to help us throughout the questions Student Pair Function one Function 2 Composition 1 g(x)=1/x f(x)=(2x^2)-8 g(f(x)) 2 k(x)=sqrt(x) h(x)=... more
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01/26/21

Function Transformation - Determine three point that lie on the graph of y=g(x)
The points (-12, 6), (0, 8), and (8, -4) lie on a graph of y=f(x). Determine three points that lie on the graph of y=g(x).g(x) = (1/2)f(x-2)+1
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01/26/21

Write a polynomial function f of least degree that has rational coefficients, a leading coefficient of 1, and the zeros 4 and 3−i.
Please help me. Also please explain.
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Functions Trigonometry

01/24/21

Trig Grade 11 Functions Word Problem
2 fire towers are located 100 km apart on nigh hills T and R. The bearing from T to R is northeast. A fire is observed from tower T at N10°E and from tower R at N75°W. The town of Pretty Valley is... more
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