Subtract.5 - (-6.809)
A. 11.809
B. -1.809
C. 1.809
D. -11.809
Answer: A
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Find the percent change if a quantity changes from P1 to P2. Round your answer to the nearest tenth if appropriate.P1 = $18, P2 = $55
A. -67.3 B. 205.6 C. -205.6 D. 67.3
Find the value of the logarithmic function.ln(e-6)
A. -6
B. - 
C. 1
D. e ln(-6)
Express the sum or difference as a product of sines and/or cosines.sin(6?) - sin(4?)
A. 2 sin(5?) cos ? B. -2 sin(5?) cos ? C. -2 sin ? cos(5?) D. 2 sin ? cos(5?)
Graph the function using its vertex, axis of symmetry, and intercepts.f(x) = x2 + 8x + 7
A. vertex (4, 9)
intercepts (1, 0), (7, 0), (0, -7)
B. vertex (-4, 9)
intercepts (-1, 0), (- 7, 0), (0, -7)
C. vertex (-4, -9)
intercepts (-1, 0), (- 7, 0), (0, 7)
D. vertex (4, -9)
intercepts (1, 0), (7, 0), (0, 7)