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3.1

the number of trucks reading horizontally from the vertical scale is

2 + 2 + 3 + 3 + 3 + 4 + 5 = 22

average number of trucks = = 3.1 ( to 1 dec. place)

answ9x x 3=

step-by-step explanation:

shift 4 units up, and 1 unit left.

it will translate f(x) = 3^x to g(x) = 3^(x+1) + 4