Plot the point whose polar coordinates are given.
A. 
B. 
C. 
D. 
Answer: B
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A roast is baking in the oven. The internal temperature R, in degrees Fahrenheit, of the roast t minutes after it is put in the oven is given by
.
?
The roast should be removed from the oven when its internal temperature is between 160 and 165 degrees. During what time period should the roast be removed? Round your answer to two decimal places.
A. Between 116.88 and 119.53 minutes after it is placed in the oven B. Between 102.07 and 105.07 minutes after it is placed in the oven C. Between 102.41 and 108.52 minutes after it is placed in the oven D. Between 107.20 and 112.12 minutes after it is placed in the oven
Find the composition. If f(x) = x2 - 6 and h(x) = 
, find (h ? f)(4)
A. -2 + 
B. 
C. 4
D. 21
Change the logarithmic expression to an equivalent expression involving an exponent.log749 = x
A. 49x = 7 B. 7x = 49 C. 497 = x D. x7 = 49
Determine whether the equation is a quadratic equation.x2 + 4x3 = 0
A. Yes B. No