Evaluate f(x) at the given value of x by hand. 
; x = 2
A. - 
B. 326
C. Undefined
D. 
Answer: C
Mathematics
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Divide. Write a mixed numeral for the answer.27 ÷ 1
A. 17
B. 18
C. 19
D. 16
Mathematics
Solve the system by the addition method.x2 - 2y2 = 23x2 + 2y2 = 14
A. {(1, 2), (-1, 2), (1, -2), (-1, -2)} B. {(2, 1), (2, -1), (-2, 1), (-2, -1)} C. {(-1, 2), (1, -2)} D. {(2, 1), (-2, -1)}
Mathematics
Write the imaginary number using i.-
A. -2
B. -2i
C. 2
D. 2i
Mathematics
Use the law of Cosines to solve the given triangle. Round your answer to two decimal places. ? a = 13, b = 17, c = 23 ?
A. A ? 46.85°, B ? 46.85°, C ? 86.3° B. A ? 33.91°, B ? 99.24°, C ? 46.85° C. A ? 46.85°, B ? 33.91°, C ? 99.24° D. A ? 33.91°, B ? 46.85°, C ? 99.24° E. A ? 99.24°, B ? 46.85°, C ? 33.91°
Mathematics