Evaluate the expression without using a calculator.log121
A. 12
B. 0
C. 
D. 1
Answer: B
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Find the indicated part of the right triangle.One leg is 21.12, and the hypotenuse is 35.5. Find the larger acute angle. Round your answer to the nearest tenth.
A. 63.5° B. 36.5° C. 53.5° D. 50.7°
Multiply using Napier's rods.6 × 216
A. 1302 B. 1512 C. 1290 D. 1296
The graph of a rational function y = f(x) is given below. Use the graph to give the solution set of 
and 
Use set notation for part (a) and interval notation for parts (b) and (c).
A. (a) {0} (b) (-?, 1.4) ? (1.4, ?) (c) (-1.4, 1.4) B. (a) {0} (b) (-?, 0] (c) [0, ?) C. (a) {0,-?, ?} (b) (-?, 0) (c) (0, ?) D. (a) {0} (b) (-?, 0) (c) (0, ?)
Find the intercepts of the function f(x).f(x) = (x + 3)(x - 5)(x + 5)
A. x-intercepts: -3, -5, 5; y-intercept: -75 B. x-intercepts: -3, -5, 5; y-intercept: 75 C. x-intercepts: -5, 5, 3; y-intercept: -75 D. x-intercepts: -5, 5, 3; y-intercept: 75