2 years ago

The average score on mid term examination of 25 students was 78.8 out 100

Mathematics

1 answer:

larisa86 [58]2 years ago

8 0

I honestly have no clue good luck I’m just trying to get points so I can use the app

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Let f(x)=7x^2-8. find f(a^2)

strojnjashka [21]

Answer:

$\large\boxed{f(a^2)=7a^4-8}$

Step-by-step explanation:

$f(x)=7x^2-8\\\\f(a^2)\to \text{put}\ x=a^2\ \text{to the equation of the function}\ f:\\\\f(a^2)=7(a^2)^2-8\qquad\text{use}\ (a^n)^m=a^{nm}\\\\f(a^2)=7a^{2\cdot2}-8\\\\f(a^2)=7a^4-8$

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Answer:

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Answer:

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Step-by-step explanation:

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