1,744 Answered Questions for the topic Functions

Functions Linear

07/21/16

LINEAR OR NOT?? EXPLAIN
Determine whether the following function is linear   y = x/3   Explain why
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Functions Linear

07/21/16

LINEAR OR NOT?
Determine whether the following function is linear   y = 3/x   Explain why
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Functions Linear

07/21/16

Linear Or Not?!
Determine whether the following function is linear   y = 3^x + 5   Explain why
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Functions Linear Algebra

07/17/16

Linear Algebra
In one part of the? world, the sea lion population decreased approximately linearly from about 60 thousand in 1990 to about 24 thousand in 2003. Find the average rate of change of the sea lion... more
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Functions

07/14/16

If y varies directly as the square of x and y =10 when x= 5 find y when x =2
If y varies directly as the square of x and y =10 when x=5 find y when x=2
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Functions

07/14/16

function question
How can you tell if a function has been translate vertically versus horizontally?How can you tell if a function has been translate vertically stretched versus horizontally stretched?How can you... more
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Functions

07/14/16

function question
Is the sum of two functions always an even function? Explain. 
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07/13/16

In 2000 77% of instructional classrooms had internet access. In 2005, 94% of classrooms has Internet access.
In 2000 77% of instructional classrooms had internet access. In 2005, 94% of classrooms has Internet access.   (a) Find a linear function that fits the data.  (b) In what year did approximately... more
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Functions

07/13/16

Functions and domain
Given f(x)= (0,2) (1,3) (2,4) (3,5) and g(x) = (2,-1) (3,0) (4,1) (5,2)    Find (fog)(x) and its domain.    Im really confused on how to solve this.
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Functions

07/13/16

Domain of function
What is the domain for ln(x)=√5-x   ** 5-x is all under the same root**
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Functions

07/12/16

Finding f(x+h)—f(x) / h
When f(x) = (1)/(x2)
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Functions

07/12/16

Find (f o f ) (x)
Hi, I need to know if my answer is right.    f(x)=(3x+2)/(x-3). Find (f o f ) (x) .    I got x. 
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Functions

07/10/16

How do you know if a function is increasing versus decreasing? How do you know if a function is odd or even? Give an example of each type.
How do you know if a function is increasing versus decreasing?How do you know if a function is odd or even? Give an example of each type.
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Functions

07/08/16

Domain of functions
Hi, I need to know if my answers are right .    f(x)= √9-x2 f(x)=√x2-9   For both i got [-3,∝)      ** 9-x2  and x2-9 are both under the same root**
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Functions

06/29/16

even function
If f is an even function then prove the right hand derivative of f' at x = a is lim [f'(a) + f'(-a-h)]/h where h approaches to zero from right .
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06/27/16

function and trig
The function g: x ----> a + bsinx where a=4 and b=2 is defined for the domain pi/2 ≤ x ≤ k.   Find the largest value of k for which g(x) has an inverse.
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Functions

06/23/16

What's the formula for determining an outcome when dealing with progressive addition?
 If you start with zero as your balance and each day add 5 + the total balance to make a new balance then repeat each day. How many days to get a balance of 40,000?
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Functions

06/21/16

If h(x)=1/x and g(x)=5x^2-3 then h o g(x)=what?
 If h(x)=1/x and g(x)=5x^2-3 then h o g(x)=what?
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Functions

06/21/16

Periodic Functions
A man claimed that the inside temperature of his shop should be less than the temperature of the outside for 75 % of the day (24 hours). He immediately found his recording instruments and measured... more
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Functions

06/18/16

Periodic Functions
A man claimed that the inside temperature of his shop should be less than the temperature of the outside for 75 % of the day (24 hours). He immediately found his recording instruments and measured... more
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Functions

06/13/16

Which of the following rules represents the set of ordered pairs?
{(1, 2), (2, 3), (4, 5), (7, 8)}
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Functions

06/12/16

Invest $1 today (PV) at 10% (i) compounded annually for 5 years (n). Find future value FV:
The formula to calculate the value of $1 put into savings today is fv = pv*((1+i)^n). The variables are fv = future value, pv = present value, i = interest rate per period, and n = the number of... more
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Functions

06/07/16

determine the point
1.in quad 2 where the line represented by y=-3x intersect the unit circle
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06/06/16

How do i find (f o g)(x) with the given equations?
f(x)=2x-5 g(x)=x^2  
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06/04/16

Suppose p(x)=5x^5-3x+7 and q(x)=3x^2-9. What is the degree of p(x)*q(x)?
 I DONT UNDERSTAND WHAT THEY MEAN BY DEGREE OR EVEN WHAT TO DO PLEASE HELP AND EXPLAIN 
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