Joanna H.
asked • 06/19/17if f (x) =7x +5x2^ +10 what does f(-2) equal
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1 Expert Answer
Tyler K. answered • 06/19/17
Tutor
New to Wyzant
Math - Elementary math up to Differential Equations
Simply plug in -2 for all values of x in the equation and then simplify in order to find f(-2). If f(x) = 7x + 5x2 + 10, then f(-2) = 7(-2) + 5(-2)2 + 10 = -14 + 5(4) + 10 = -4 + 20 = 16. I hope this helps!
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Arturo O.
06/19/17