Is the given expression equal to – 0.4(3x + 8)? Select Yes or No for each expression.
2 answers:
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<u>Given</u><u>:</u><u>-</u>
- f(x) = x²
<u>Evaluation</u><u>:</u><u>-</u>
e).
==> f(x) = x²
So,
==> f(3x) = (3x)² = 9x²
f).
==> f(x/2) = (x/2)² = x²/4
g).
==> 3f(x) = 3x²
h).
==> 2f(x-1)+5 = 2(x-1)²+5 = 2(x² + 1 - 2x ) + 5
= 5x² + 5 - 10x + 5
= 5x² - 10x + 10