Solve the equation.2(x + 2) = 2 - 4(x + 2)
A. {10}
B. 
C. 
D. 
Answer: C
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Solve. Check for extraneous solutions.
+ 
= -1
A. 
B. {1}
C. {0}
D. ?
There were 8 inches of snow on the ground before the latest snowstorm. Once the storm started, the depth D, in inches, of snow on the ground satisfies the equation of change
.
Here t is measured in hours.A: Find a formula that gives the depth of snow t hours after the snow storm begins.B: Make a graph of depth versus time over the first 5 hours of the storm.C: How long will it take for the depth of the snow to reach 20 inches?
What will be an ideal response?
Find an approximate value for the integral, using the trapezoidal rule with n intervals. Round the answer to the nearest tenth if necessary.
, n = 3
A. 4.7 B. 9.4 C. 6.8 D. 0.6
Simplify.
2/5
A. b7/5 B. b2 C. b1/2 D. b2/25