Answer:
6
Step-by-step explanation:
I presume you meant
to simplify:
-10+(-2)
to solve:
-12
The correct answer is g(x)=1.5^x-4
$1.21 per song
6 × $1.21 = $7.26
17 × $1.21 = $20.57
20 × $1.21 = $24.50