Algebraic Functions

Practice Questions

GRE Quantitative Reasoning › Algebraic Functions

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1

An outpost has the supplies to last 2 people for 14 days. How many days will the supplies last for 7 people?

2

An outpost has the supplies to last 2 people for 14 days. How many days will the supplies last for 7 people?

3

Find

$f(x)=|x^{2}+4x-127|$

4

Find

$f(x)=|x^{2}+4x-127|$

5

For which value of are the following two functions equal?

$F(x)=2x+3^x+\frac{9x}{3}$

$G(x)=\frac{2^x+4^x}{2}-4x-5x+1$

6

For which value of are the following two functions equal?

$F(x)=2x+3^x+\frac{9x}{3}$

$G(x)=\frac{2^x+4^x}{2}-4x-5x+1$

7

If the average of two numbers is $\dpi{100} \small 3y$ and one of the numbers is $\dpi{100} \small y+z$ , what is the other number, in terms of $\dpi{100} \small y$ and $\dpi{100} \small z$ ?

8

If the average of two numbers is $\dpi{100} \small 3y$ and one of the numbers is $\dpi{100} \small y+z$ , what is the other number, in terms of $\dpi{100} \small y$ and $\dpi{100} \small z$ ?

9

It takes no more than 40 minutes to run a race, but at least 30 minutes. What equation will model this in m minutes?

10

It takes no more than 40 minutes to run a race, but at least 30 minutes. What equation will model this in m minutes?

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