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Evaluate the range, f(x), of each function when given the domain.

1. Evaluate f(x) = 3x +4 when x = -1



2. Evaluate f(x) = -2x - 7 when x = 6

User Olivroy
by
8.2k points

1 Answer

7 votes

Answer:

1. 1

2. -19

Explanation:

f(x) = 3x + 4 when x = -1

Switch out x for -1 and solve

= 3(-1) + 4

= -3 + 4

= 1

f(x) = -2x - 7 when x = 6

Switch out x for 6 and solve

= -2(6) - 7

= -12 - 7 or -12 + -7

= -19

User Jakob Lovern
by
8.3k points

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