1,744 Answered Questions for the topic Functions

02/13/20

COMBINATION OF FUNCTIONS: Type the combination HELP PLEASE!!
Type the composition .  f(x) = x2 + 2x        g(x) = x − 3  
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Functions Math College Algebra

02/12/20

need help with this college algebra:<

For each of the functions y=​f(x) described​ below, find ​f(1​).the equation is y= 10-3x^2 i would love a step by step explanation of how you work out the problem so i can learn whats happening... more
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Functions

02/06/20

Graphs of Exponential Functions
Suppose a population of 1100 bacteria grows by 13% each day. How many bacteria will there be in 29 days?
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Functions Math Algebra 1 Algebra

02/04/20

Please help! Quadratic function solving

A basketball player shoots a basketball with an initial velocity of 15 ft/sec. The ball is released from an initial height of 6.5 feet.The function         models the height, in feet, of an object... more
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Functions Math Algebra 2 Algebra

02/04/20

Type the composition (fog)(x) of the given functions:
f(x) = x2 + 2x − 6 and g(x) = x + 5.
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Functions Math Algebra 2 Algebra

02/04/20

Type the product of the given functions (fg)(x): f(x) = x^2 − 9 and g(x) = x + 1.

In the space provided, type the answer in descending order as it applies without any spaces between the letters, numbers, or symbols.
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Functions Algebra 2 Piecewise

02/03/20

Write a piecewise function
An air conditioning salesperson receives a base salary of $2850 per month plus a commission. The commission is 2% of the sales up to and including $25,000 for the month and 5% of the sales over... more
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02/02/20

Domain of Functions
How do I figure these out?What is the domain of each functionf(x) = 3x2/x2-1f(x) = 1/x-1f(x) = x2+ x - 20 / x2 + 8x + 16
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Functions Polynomials

01/21/20

Polynomial word problem - maximizing profit
A travel agency organizes adventure weekend for groups of 10 persons or more. The normal price per person for such a weekend is 500 euros. In order to attract larger groups, the agency adopts the... more
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01/16/20

Functions - Average Rate of Change - stuck on question for 2 hours please help
For the following exercise, find the average rate of change of each function on the interval specified for real number h in simplest form.a(t) = 1 / t + 4 on [9, 9 + h] The textbook gives the... more
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Functions Algebra 2 Exponents

01/16/20

Write an equation to represent the exponential function.
For the x-values, it shows the numbers -1, 0, 1, and 2. For the y-values, the numbers are 3/4, 3, 12, and 48. I don’t understand this because I don’t understand what the formula is.
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01/15/20

a 6th degree polynominal with a root of multiplicity 2 at x=3 and a root of multiplicity 4 at x=-2, can be written as the function y=(x-3)^a(x-b)^c where:

A= _____B=_____C= _____The y intercept of this polynominal is (0,_)
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01/14/20

Function zero problem
find all rational zeros of this functionf(x) = 3x4 + 16x3 - 59x2 - 400x - 400
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Functions Math Algebra 2 Calculus

01/13/20

Find all zeros of the functions
What are all the zeros of these two functions?x(x-3)2(x-3)(x+9)3
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01/13/20

functions domain and range
For each function below, state domain and range, name the intervals where function is increasing or decreasing, and describe end behavior.f(x) = 1/2 x2y = x2 + 3y = -3x2
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Functions Precalculus

01/11/20

3.3 Graphs of Functions
If the CPI for fuel oil stood at 91 at the beginning of 1999, approximately what was it at the beginning of 2000?
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Functions Logarithm

01/10/20

logarithm advance functions

if f(x)=logx and g(x)=2x what is (g-f)(10)
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Functions

01/08/20

what's 3f(a) if f(a)=16
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Functions

01/08/20

what is f(a)-2 if f(a)=16
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01/07/20

Direct Variation
A swimmer can cross a lake in 15 minutes and 35 seconds while traveling 3.85 miles per hour. If the swimmer wants to cross the lake in 13 minutes,how fast must he swim?
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12/27/19

Make an equivalent ratio table for each class to represent its solution. Each table should show at least three equivalent ratios. Make sure to indicate which ratio table belongs to which class.
Two sixth grade science classes are making saltwater solutions. The first class (Class A) is using a ratio of three parts salt to five parts water. The other class (Class B) is using a ratio of two... more
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Functions Calculus

12/23/19

Function slope graph
If f(x)=3x+5 and g(x)=9x-2. what is the slope of the graph of the function (f-g)(x)
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Functions Trigonometry

12/23/19

trigonometry functions
if f(x)=cos2x and g(x)=sin2x, what is (f+g)(pie/16)?
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Functions Algebra 2

12/22/19

Advance Function 12
After college you invest $8500 at 7.2% a compounded quarterly. estimate the instantaneous rate of change at 10 years.
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Functions Calculus

12/20/19

Find the demand and supply equation
When the price is 10, Demand 100, Supply 120.When the price 7 Demand 130, Supply 90. 1)Find the linear price function.2) Find the demand function.3)Find the linear revenue function ( R(x) ) ? 4)If... more
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