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03-12-2018
Mathematics

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if f(x)=3^x + 10x and g(x)= 2x - 4 find (f-g)(x)

A: 3^x + 12x -4
B: 15x - 4
C: 3^x - 8x+4
D:3^x + 8x+4

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06-12-2018

Answer:

D. 3^x + 8x + 4

Step-by-step explanation:

Subtract 2x - 4 from 3^x + 10x.

3^x + (10x - 2x) - (-4)

3^x + 8x + 4

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