Find the zeros of the quadratic function by completing the square. List the x-intercepts of the graph of the function.F(x) = x2 + 12x + 32
A. x = 4, x = 8
B. x = 40, x = -8
C. x = 
, x = 
D. x = -4, x = -8
Answer: D
Mathematics
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L'Hopital's rule does not help with the given limit. Find the limit some other way.
A. ? B. -1 C. 0 D. 1
Mathematics
A population changes with time. Its level after t years is given by the function 
. Over a certain period, the population is declining. What can be said about 
over this period?
?
A. is positive.
B. is negative.
C. is zero.
D. is linear.
Mathematics
Solve the equation.
= 
A. x = 6, x = 7
B. x = 21, x = 
C. x = 
, x = -6
D. x = 21, x = -7
Mathematics
Use a calculator to approximate the expression. Write your answer in scientific notation, and round to the nearest tenth as needed.
A. 7.2 × 108 B. 6.8 × 106 C. 7.6 × 108 D. 7.2 × 106
Mathematics