Question

1.00

Given the following functions f(x) and g(x), solve (f + g)(3) and select the correct answer below:
f(x) = 2x + 21
g(x) = x - 24
0-27
0-21
06
48

Answer 1

6

Explanation:

Plug in 3 into both expressions

Then add those results

2(3)+21=6+21=27

3-24 =-21

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6 is the sum of 27 and -21