Suppose $f(x) = -3x^2 + 4x + 2$. Compute the following: A.) $f(-5) + f(3) = -66$ B.) $f(-5) - f(3) = -40$
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\[ f(-5) = -3(-5)^2 + 4(-5) + 2 \] \[ = -3(25) - 20 + 2 \] \[ = -75 - 20 + 2 \] \[ = -93 \] Show more…
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