If you would like to evaluate function h(x) = x^4 + 2 * a^2 + 4 when x = 3a, you can do this using the following steps:
x = 3a
<span>h(x) = x^4 + 2 * a^2 + 4
</span>h(3a) = (3a)^4 + 2 * a^2 + 4 = 3^4 * a^4 + <span>2 * a^2 + 4 = 81 * a^4 + 2 * a^2 + 4
The correct result would be </span>h(3a) = <span>81 * a^4 + 2 * a^2 + 4.</span>
Tbh I think the answer is 20 for nyCan company charges an initial rate of 5