tolongin yg dilingkari

8.)
f(x) = 32(0,5)^x-2
f(7) = 32(0,5)^7-2
f(7) = 32(0,5)^5
f(7) = 32(0.03125)
f(7) = 32 × 3125 / 100.000
f(7) = 32 × 1/32
f(7) = 1

f(x) = 32(0,5)^x-2
f(-4) = 32(0,5)^-4-2
f(-4) = 32(0,5)^-6
f(-4) = 32 × 1/(0,5)^6
f(-4) = 32 × 1/(0,015625)
f(-4) = 2.048,655

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