Evaluate the function rule for the given value.

Question

Y=8•3^x for x=4

Answer 1

To evaluate the function rule for the given value, substitute x=4 into the function:

Y = 8 * 3^x

Y = 8 * 3^4

Simplifying the exponent:

Y = 8 * 81

Y = 648

Therefore, when x=4, the value of Y is 648.