Question

Help with full calculations, please

Answer 1

Explanation:

8) B(x) =
`5^(x +1)`

`5^(x + 1) = 3125 \\\\5^(x +1) = 5^(5)\\\\`

Compare the exponents,

x + 1 = 5

x = 5 - 1

x = 4

`10)2^(x-4)=512\\\\2^(x -4) = 2^(9)\\\\`

Compare exponents,

x - 4 = 9

x = 4 + 9

x = 13