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Please help F + g (1)

Please help F + g (1)-example-1
User Vadimich
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1 Answer

5 votes

9514 1404 393

Answer:

a) -13

b) -22

Explanation:

It can be convenient to compute the function values first:

f(1) = 1² -14·1 = -13

g(1) = 1 +8 = 9

Then the compositions are ...

(a) (f+g)(1) = f(1) +g(1) = -13 +9 = -4

(b) (f-g)(1) = f(1) -g(1) = -13 -9 = -22

User Tuxcanfly
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