Question

If f(x) = -5x, then f(-3)=



If g(x) = 2x - 1, then g(4)=

Answer 1

f(x) = -5x
f(-3) = -5(-3)
f(-3) = 15

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g(x) = 2x - 1
g(4) = 2(4) - 1
g(4) = 8 - 1
g(4) = 7

Answers:
f(-3) = 15
g(4) = 7

Hope this helps.