Solve the equation by the Square Root Method.(x + 2)2 = 49
A. {-7, 7}
B. {5}
C. {-9}
D. {-9, 5}
Answer: D
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Calculate the derivative of the function. Then find the value of the derivative as specified.
? =1 if r = 
A. 
= 
; 
? =1
= 
B. 
= - 
; 
? =1
= - 
C. 
= - 
; 
? =1
= - 
D. 
= 
; 
? =1
= 
Solve the problem.The table shows the number of college students who prefer a given pizza topping.
Find the empirical probability that a randomly selected freshman prefers cheese toppings.
A. 0.200 B. 0.500 C. 0.135 D. 0.045
Add.467 + 206
A. 673 B. 573 C. 663 D. 563
Solve the problem. Round your answer, if appropriate.As the zoom lens in a camera moves in and out, the size of the rectangular image changes. Assume that the current image is 8 cm × 5 cm. Find the rate at which the area of the image is changing (dA/df) if the length of the image is changing at 0.7 cm/s and the width of the image is changing at 0.3 cm/s.
A. 11.8 cm2/sec B. 5.9 cm2/sec C. 14.2 cm2/sec D. 7.1 cm2/sec