Which set of ordered pairs represents a function? 1 point A. (-2, 1), (0, 1), (1, -2), (3, 4) B. (-1, 5), (-2, 3), (-2, 1), (-3, -1) C. (12, 36), (9, 27), (-6, 30) (9, 18) D. (3, 17), (-2, 11), (1, 8), (3, 5)

Only A is a function

Step-by-step explanation:

In order to have a function each value of x must pair with exactly ONE value of y

In A, each x pairs with one y, so we have a function

In B, notice that -2 pairs with 3 and 1, so we do not have a function

In C, notice that 9 pairs with 27 and 18, so we do not have a function

In D, notice that 3 pairs with 17 and 5, so we do not have a function

there are many solutions.

step-by-step explanation:

step 1: simplify both sides of the equation.

4x+6=4x^2+10x−4

step 2: subtract 4x^2+10x-4 from both sides.

4x+6−(4x^2+10x−4)=4x^2+10x−4−(4x^2+10x−4)

−4x^2−6x+10=0

step 3: factor left side of equation.

−2(2x+5)(x−1)=0

step 4: set factors equal to 0.

x=-5/2 or x=1

answer rather than having to add and subtract the measurements of the semi-circle, notice that the semicircle to the left of ad is actually identical in area to the blank semicircle-shaped space to the left of bc. so if we transferred the red semicircle into the blank space, we would end up with a square of side length 24 cm. the area of a square is s^2 = 24^2 = 676 cm^2.

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