Refer to the following functions: p(x) = x2 + 2x – 15 x +1 9(x) x-3 r(x) = v7-x Which of the following statement/s is or are true? i. The composite function roq is defined for all x < 7. Note: roqr[q(x)] ii. The resulting function of the product of p and q is defined for any real number x. iii. The difference quotient p(-2+h)-p(-2) 2 is defined for any real number h exc O i only O ii only O ii only i, ii, and ii

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