Express in terms of sums and differences of logarithms.log
A. log (5 + x6 - y7)
B. log 5 + (log x)6 - (log y)7
C. log 5 ? 6 log x - 7 log y
D. log 5 + 6 log x - 7 log y
Answer: D
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Find 
by using the Chain Rule. Express your final answer in terms of t.w = ex cos y + ey cos x; x = 9t, y = -4t
A. e-4t(9 cos -4t + 4 sin -4t) e9t(-4 cos 9t - 9 sin 9t) B. e9t(9 cos -4t + 4 sin -4t) e-4t(-4 cos 9t - 9 sin 9t) C. e-4t(9 cos -4t - 4 sin -4t) e9t(-4 cos 9t + 9 sin 9t) D. e9t(9 cos -4t - 4 sin -4t) e-4t(-4 cos 9t + 9 sin 9t)
Determine whether the slope of the line is positive, negative, zero, or undefined.
A. negative B. undefined C. zero D. positive
List the terms of the expression.-4 + 4m + 6mn
A. -4, 4m, 6mn B. -4, 4m, 6m, n C. -4, 4m, 6m, 6n D. 4m, 6mn
Add or subtract.14.1 - 3.28
A. 11.92 B. 11.82 C. 10.88 D. 10.82