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F(x) = 3x + 1
g(x) = 4x - 2
> (f + g)(2) + (2f + g)(1) = ?

User Glennis
by
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1 Answer

1 vote

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Answer:

  • (f+g)(2) = 13
  • (2f+g)(1) = 10

Explanation:

We can start by finding values of the functions at x=1 and x=2.

f(1) = 3(1) +1 = 4

f(2) = 3(2) +1 = 7

g(1) = 4(1) -2 = 2

g(2) = 4(2) -2 = 6

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(f +g)(2) = f(2) + g(2) = 7 +6 = 13

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(2f +g)(1) = 2f(1) +g(1) = 2(4) +2 = 10

User Luis Mendo
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