Answer:
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Step-by-step explanation:
f(t) = 2(0.4)^t
F(-2) means to replace t with -2:
f(-2) = 2(0.4)^-2
f(-2) = 12.5
3x - 2 is formatted in the formula y = mx + c
To substitute for 3x - 2
y = 3x -2