Solve the problem.John Lee's savings account has a balance of $3684. After 8 years, what will the amount of interest be at 6% compounded annually? Round to the nearest dollar.
A. $2193
B. $2188
C. $2179
D. $221
Answer: B
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Solve the problem.On a Touch-Tone phone, each button produces a unique sound. The sound produced is the sum of two tones, given by y = sin (2?lt) and y = sin (2?ht)where l and h are the low and high frequencies (cycles per second) shown on the illustration.The sound produced is thus given by y = sin (2?lt) + sin (2?ht)Write the sound emitted by touching the 5 key as a product of sines and cosines.
A. y = 2 sin(566?t) cos(2106?t) B. y = 2 sin(2106?t) cos(566?t) C. y = 2 sin(707?t) cos(2247?t) D. y = 2 sin(2247?t) cos(707?t)
Evaluate the expression. Round to five decimal places when necessary.(-12)-4
A. -
B.
C.
D. -
Factor, if possible.b6 - 8
A. (b2 - 2)(b4 + 2b2 + 4) B. (b2 - 2)(b4 - 2b2 + 4) C. (b2 + 2)(b4 - 2b2 + 4) D. cannot be factored
Use transformations of the graph of y = x4 or y = x5 to graph the function.f(x) = 5x4
A.
B.
C.
D.