Question

If x = 3, solve for y.
y = 2 x 4^x
y = [?]

Answer 1

y = 128

Explanation:

Plug in 3 for x

`\bf{y=2*4^x}`

`\bf{y=2*4^3}`

Simplify

`\bf{y=2*64}`

Multiply

`\bf{y=128}`

Hence, y = 128