f(x) = -2x3 + ax2 + 2, You are told that f(2) = 14, can you work out what "a" is?
Mathematics · College · Tue Nov 03 2020
llm
Answered on
f(x)= 2x^3 + ax^2+2 f(2) = 14
Find a
f(2) = -2(14)^3+a(14)^2+2
=-5488 + 196a + 2
=-5486 + 196a
196a = 5486
divide both sides by 196 to get the value of a
a =27.99