SOLUTION: I dot get it when a function says it wants the A and B answers?? f(x)=2x+7 that dose the A and B mean a)f(2) b)f(-3) thnaks

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Question 402647: I dot get it when a function says it wants the A and B answers??
f(x)=2x+7
that dose the A and B mean
a)f(2)
b)f(-3)
thnaks

Answer by rfer(16322) About Me  (Show Source):
You can put this solution on YOUR website!
substitute the number in f(x) part of the equation and solve for y
f(2)=2*2+7
f(2)=11
when x=2, y=11
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f(-3)=2*-3+7
f(-3)=-6+7
f(-3)=1
when x=-3, y=1