Answer:
4
Step-by-step explanation:
For this problem, we are trying find the output of when plug in -3 into 2x+10:
f(-3)=2(-3)+10=-6+10=4
F(x)=ax^2+4 thus
a=(f(x)-4)/x^2=(5-4)/(-1)^2=1
Answer: a=1.
Answer:
x=15
Step-by-step explanation:

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Answer: $132.58 letter A
Step-by-step explanation:
The answer would be $112.
explanation:
40%——> .40
280 x .40 = 112