Answer:
45
Step-by-step explanation:
Answer:D. x^2+7
If f(x) = 2x² +5 and g(x)=x2-2, find (f-g)(x).A. x^2+3B. 3x^2+3C. 3x^2+7D. x^2+7
answer is 10000
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-3x-3x=21-6
9x=15
x=15/9
3/7
21w - 21 = -12
21w = -12 +21
21w = 9
w = 9/21
i.e w= 3/7