How to find f(x)

Practice Questions

GRE Quantitative Reasoning › How to find f(x)

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

Find

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

For which value of are the following two functions equal?

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

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

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 $\dpi{100} \small z$ ?

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

g(x) = 4x – 3

h(x) = .25πx + 5

If f(x)=g(h(x)). What is f(1)?

$11-3x=\frac{5x}{2}$ , solve for .

What is the value of the function f(x) = 6x2 + 16x – 6 when x = –3?

If and , what is ?

Worker $\dpi{100} \small A$ can make a trinket in 4 hours, Worker $\dpi{100} \small B$ can make a trinket in 2 hours. When they work together, how long will it take them to make a trinket?

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