Question

Let a(x) be the amount of money remaining on Hillary's gift card after purchasing x apps on her phone.

Since a(12) = (38, 15,35, 65) Hillary will have
(35,15,38,12) dollars remaining on her card after purchasing
(12,15,35,38) apps.

Answer 1

she purchased 12 apps costs 12 *1.25 = 15 . So , she spent 15 ... Since a(12) = 35, Hillary will have 35 dollars remaining on her card after purchasing 12 apps.

Explanation:

hopefully this helps

Answer 2

35, 35, & 12.

Explanation:

i did the test and i got it right :D