What is k(-8) when given the function
k(x) = x +5 – 2x2?
1 answer:
By the way, the typed out question is not proper. Be sure to be clear on signs, like absolute value.
Absolute value of -8+5 is 3. This is because -3 is turned positive due to | |
(-8)^2 = 64
Multiply 64*2, equal to 128
Then solve. — 64-128= -64
-64 is the answer
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