For f(x)=2x+1 and g(x) =x2-7, find (f*g)(x)
1 answer:
Answer:
(f×g)(x) = 2x³ +x² -14x -7
Step-by-step explanation:
(f×g)(x) = f(x)×g(x) = (2x +1)×(x² -7)
= 2x(x² -7) +1(x² -7)
= 2x³ -14x +x² -7
(f×g)(x) = 2x³ +x² -14x -7
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You also need to brake down this answer farther.
Answer:
6/20 as a decimal is 0.3.
That is:
2x^2+5(9x-3)×2
2x^2+(45x-15)×2
2x^2+90x-30
2(x^2+45x-15)
Answer:39
Step-by-step explanation:
90-51=39
