PLEASEE HELP MATHHH Evaluate the function f(x) = –2x^2 – 3x + 5 for the input value –3. A -22 B -4 C 2 D 32
Mathematics · High School · Mon Jan 18 2021
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Given the function:
f(x) = -2x^2 - 3x + 5
Determine the value of the function when the input value is -3.
Solution:
Substitute the input value of -3 to x in the function f(x).
f(x) = -2x^2 - 3x + 5
f(-3) = -2(-3)^2 - 3(-3) + 5
f(-3) = -2(9) + 9 + 5
f(-3) = -18 + 9 + 5
f(-3) = -4
Final answer:
f(-3) = -4