A surveyor measures the angle of elevation at 20 degrees for a point 5 miles away. What is the vertical change in elevation from
1 answer:
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Answer:
B) h(x) = -1/4(x - 6)(x + 3)
Step-by-step explanation:
Zeros of a function:
Given a polynomial f(x), this polynomial has roots such that it can be written as:
, in which a is the leading coefficient.
In this question:
Concave down, so , which excludes options c and d.
Roots at x = 6 and x = -3. So
So option B.