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vfiekz [6]
3 years ago
15

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

Mathematics
1 answer:
strojnjashka [21]3 years ago
6 0

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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<h3>What is a line of symmetry?</h3>

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brainly.com/question/1597409

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