Evaluate the function at the given values of the variable.f(x) = 9x2 + 2
a. f(9)
b. f(-5)
A. 164, -88
B. 6563, 2027
C. 324, -180
D. 731, 227
Answer: D
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Use identities to simplify the expression.
- tan x
A. - cot x
B. tan x
C. 
D. cot x
Find the probability.A study conducted at a certain college shows that 62% of the school's graduates find a job in their chosen field within a year after graduation. Find the probability that among 5 randomly selected graduates, at least one finds a job in his or her chosen field within a year of graduating.
A. 0.908 B. 0.200 C. 0.620 D. 0.992
Factor the trinomial completely. If the polynomial cannot be factored, write "prime."x2 + 2xy - 8y2
A. (x - y)(x + 2y) B. (x + 4y)(x - 2y) C. (x - 4y)(x + 2y) D. (x - 4y)(x + y)
Complete the table of values for the given equation.5x - 5y = -25
A. 0; 5; -5 B. 10; 5; -5 C. 10; -5; 5 D. 0; -5; 5