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Pls help to find intervals of increasing, decreasing, and range. Quadratic btw T-T

Pls Help To Find Intervals Of Increasing Decreasing And Range Quadratic Btw TT class=

Sagot :

Answer:

left side:

Range: For all Y inside of Real, y>= -2

Increasing: (-2, inf) For all x inside of Real

Decreasing:(inf, -2)  For all x inside of Real

Right side:

Range: For all Y inside of Real, y<= 1

Increasing: (-1, inf) For all x inside of Real

Decreasing:(inf, 1)  For all x inside of Real