4 years ago

Given f(x)=7(9−x)−4, what is the value of f(−1) ? Enter the answer in the box.

Mathematics

2 answers:

NeX [460]4 years ago

4 0

Solution:

f(x) = 7(9 - x) - 4

f(-1) = 7(9 - (-1)) - 4

f(-1) = 7(10) - 4

f(-1) = 70 - 4

f(-1) = 66

Best of Luck~

Goryan [66]4 years ago

3 0

<h3>Given Function:</h3>

F(x) = 7(9-x)-4

<h3>Value:</h3>

x = -1

f(-1)

<h3>Solution:</h3>

f(-1) = 7(9-(-1))-4

f(-1) = 7(9+1)-4

f(-1) = 7(10)-4

f(-1) = 70 - 4

f(-1) = 66

<h2>Answer:</h2>

f(-1) = 66

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