Which expression is equivalent to 3(x + 2)? A 3x + 2
B 3x + 2x
C x + 2x + 2 + 3
Dx+x+x+1 +1 +1 +1 +1 +1

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Find the domain and range of the following function f(x) = 51x - 21+ 4

Abicycle training wheel has a radius of 3 inches. the bicycle wheel has a radius of 10 inches.approximately how much smaller, in square inches and rounded to the nearest hundredth, is the area of the training wheel than the area of the regular wheel? *

Which is the focus of a parabola with equation y2=4x