What is the value of k in the function ƒ(x) = 112 - kx if ƒ(-3) = 121?k = a0
2 answers:
Answer:
3
Step-by-step explanation:
the answer is 3
F(x) = 112 - kx
f(-3) = 121
f(-3) = 112 - k(-3)
f(-3) = 112 + 3k
121 = 112 + 3k
121 - 112 = 3k
9 = 3k
9/3 = k
3 = k <===
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Its 36 because 4×9=36 and 12×3 is 36. hope this helps.
