Answer:
[tex]h(x) = 7(\frac{9}{7})^x[/tex]
Step-by-step explanation:
h(x) = abˣ
h(0) = 7 ⇔ ab⁰ = 7 ⇔ a×(1) = 7 ⇔ a = 7
now
h(1) = 9 ⇔ ab¹ = 9 ⇔ 7×b = 9 ⇔ a = 9/7
finally, h(x) = 7(9/7)ˣ
