The graph of a function f is given. Use the graph to answer the question.For what numbers x is f(x) = 0?
A. (-5, -3), (3.5, 5)
B. (-3, 3.5)
C. -3
D. -3, 3.5, 5
Answer: D
Mathematics
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Find the exact value of the real number y.y = arctan 
A. 
B. 
C. 
D. 
Mathematics
Write a formula for the general term (the nth term) of the arithmetic sequence. Then use the formula for an to find a20, the 20th term of the sequence.1, 5, 9, 13, 17, . . .
A. an = 4n - 3; a20 = 77 B. an = 3n - 4; a20 = 56 C. an = n + 4; a20 = 24 D. an = 4n + 3; a20 = 83
Mathematics
Find the quotient.55.109 ÷ 0.1
A. 5460.9 B. 551.09 C. 5510.9 D. 571.09
Mathematics
Find the exact or approximate circumference of the circle, as indicated.Find the approximate circumference. Use 
for ?.
A. 154 in. B. 308 in. C. 30,184 in. D. 616 in.
Mathematics