1,752 Answered Questions for the topic Functions

Functions

02/26/20

The graph of a function is a line that passes through the points (1,4) , (3,8) , and (6,y) . What is the value of y ?
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02/23/20

Write a polynomial function of least degree in standard form that has rational coefficients, a leading coefficient of 1, with roots of 0, 2, and 3 squared

I really need help, polynomial functions by itself are hard but with the addition of the square root I’m lost
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02/23/20

find domain of inverse
g(x)= x2 − 6x + 7 for x >4. By first completing the square, find and expression for g-1 (x) and state the domain of g-1I found the inverse to be √(x+2) + 3is the domain x≥-2?
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Functions

02/19/20

is this equation a function y+x=-2
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02/19/20

Interpreting nonlinear expressions
h(x)=−5(x−1)2+7The height, h, of a stream of water, in feet above the surface, in a fountain at a horizontal distance of x feet from the nozzle, is given by the function shown above. What is the... more
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Functions Math Algebra 1 Graphing

02/14/20

How do I graph exponential functions? very confusing!
Which is the graph of y=2(3/4)^x?Can u please graph this and explain how you graphed it*this is exponential*
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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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