Classify the angle as acute, right, obtuse, or straight.
A. Straight
B. Obtuse
C. Acute
D. Right
Answer: D
Mathematics
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Use the formula for the sum of the first n terms of a geometric sequence to solve.Find the sum of the first 13 terms of the geometric sequence: 5, -10, 20, -40, 80, . . . .
A. 13,649 B. 13,655 C. 13,653 D. 13,662
Mathematics
Determine whether the function is one-to-one.f(x) = x3 - 3
A. One-to-one B. Not one-to-one
Mathematics
Find the LCD. Do not combine fractions.
, 
A. 3(x - 2) B. 4(x - 2) C. (x - 2) D. 12(x - 2)
Mathematics
Solve the problem.Suppose that f(x) = 5x + 4. What is f(3)? What point is on the graph of f?
A. 129; (3, 129) B. 125; (4, 125) C. 129; (3, 125) D. 125; (3, 125)
Mathematics