Find the amplitude.y = -3 cos(4x - ?)
A. 4
B. 3
C. ?
D. -12
Answer: B
Mathematics
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Provide an appropriate response.If x3 ? f(x) ? x for x in [-1,1], find 
f(x) if it exists.
A. 0 B. -1 C. 1 D. does not exist
Mathematics
Find the equation of the line that passes through the two given points. If possible, write your equation in slope-intercept form.(5, 36) and (4, 29)
A. y = 
x + 
B. y = - 
x + 
C. y = -7x + 71
D. y = 7x + 1
Mathematics
A sum of $2170 is invested at 11% interest. If A(t) is the amount of the investment at time t for the case of continuous compounding, write a differential equation and an initial condition satisfied by A(t).
What will be an ideal response?
Mathematics
Add.
+ 
A. 
B. 
C. 
D. - 
Mathematics