Add.19 + (-83)

A. 64
B. 102
C. -64
D. -102


Answer: C

Mathematics

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Graph the function by first writing it in the form y = A sin(x + C). State the amplitude, period, and phase shift.y = 3 sin x + 3 cos x

A. Amplitude 3, period 2?, 
phase shift 
- 

B. Amplitude 3, period 2?,
phase shift 


C. Amplitude 3, period 2?, 
phase shift 


D. Amplitude 3, period 2?, 
phase shift 
- 

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Find the exact value of the expression.cos 40° cos 20° - sin 40° sin 20°

A.
B.
C.
D.

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Evaluate the function f at the indicated value. {8x, if x ? -1x - 6, if x > -1

A. -11 B. -1 C. -40 D. 40

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You are on a shopping trip. The store will round the amount you pay for each item to the nearest cent. Find the amount you will pay.Paper towels are 5 rolls for $25.34, so one roll is $5.0680. You pay:

A. $5.068 B. $5.17 C. $5.07 D. $5.06

Mathematics