Calculate using the rules for order of operations.48 - (-4)2 + 21 ÷ (-3) ? 2Round to two decimal places, if necessary.
A. 50.00
B. 18.00
C. -8.83
D. -14.17
Answer: B
Mathematics
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Find f-1(x) for the following one-to-one function f.f = {(2, 4), (5, 7), (3, 6), (8, 1)}
A. f-1 = {(-4, 2), (-7, 5), (-6, 3), (-1, 8)} B. f-1 = {(2, -4), (5, -7), (3, -6), (8, -1)} C. f-1 = {(-2, -4), (-5, -7), (-3, -6), (-8, -1)} D. f-1 = {(4, 2), (7, 5), (6, 3), (1, 8)}
Mathematics
Convert the angle in degrees to radians. Round to two decimal places.254°
A. 4.4 radians B. 4.41 radians C. 4.43 radians D. 4.42 radians
Mathematics
Find the value of the exponential expression.(0.05)3
A. 0.15 B. 0.01666667 C. 0.125 D. 0.000125
Mathematics
Solve for x.|x + 2| < 15
A. -17 < x < 13 B. x < 13 C. x < -17 D. -13 < x < 17
Mathematics