Find the y-intercept for the graph of the quadratic function.f(x) = x2 - 9
A. 81
B. -81
C. -9
D. 9
Answer: C
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Evaluate the indicated double integral over R.
; R = {(x, y): 6 ? x ? 10, 4 ? y ? 7}
A. 352 B. 528 C. 1056 D. 704
Solve the problem.In 1998, the population of a given country was 21 million, and the exponential growth rate was 3% per year. Find the exponential growth function.
A. P(t) = 21e0.03t, where P(t) is in millions and t is the number of years after 1998. B. P(t) = 21e0.03, where P(t) is in millions and t is the number of years after 1998. C. P(t) = 21e3t, where P(t) is in millions and t is the number of years after 1998. D. P(t) = 210.03t , where P(t) is in millions and t is the number of years after 1998.
Add.-8.4 + (-21.1)
A. 29.5 B. -12.7 C. 12.7 D. -29.5
Find a polynomial function of lowest degree with rational coefficients that has the given numbers as some of its zeros.2 + i, 2
A. f(x) = x3 - 6x2 + 13x - 10 B. f(x) = x3 + 6x2 + 13x + 10 C. f(x) = x3 - 2x2 - (3 - 4i) x + 6 + 8i D. f(x) = x3 + 7x2 + 12x + 10