Given f(x)=7(9−x)−4, what is the value of f(−1) ?
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2 answers:
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
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<h3>Given Function:</h3>
F(x) = 7(9-x)-4
<h3>Value:</h3>
x = -1
<h3>To Find:</h3>
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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