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33. Graph the quadratic function. Give the (a) vertex, (b) axis of symmetry, (c) domain and (d) range.

Determine (e) the largest open interval of the domain over which the function is increasing and (f) the

largest open interval over which the function is decreasing. Also, state the (g) y-intercept and (h) x-

intercept(s).

𝑓(𝑥)=−2𝑥2 −12𝑥−16

49. Use synthetic division to decide whether the given number k is a zero of the polynomial function f(x).

If it is not, give the value of f(k).(If k is a zero, write N/A in the blank).

𝑓(𝑥)=𝑥3 −3𝑥2 +4𝑥−4; 𝑘 =2

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