Write the equation of the line with the given slope and y-intercept.slope 
;y-intercept (0, -9)
A. y = - 
x + 9
B. y = 
x - 9
C. y = - 
x - 9
D. y = 
x + 9
Answer: B
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Solve the problem.Suppose the consumption of electricity grows at 5.1% per year, compounded continuously. Find the number of years before the use of electricity has tripled. Round the answer to the nearest hundredth.
A. 0.22 yr B. 58.82 yr C. 21.54 yr D. 2.15 yr
Solve the problem.Write an iterated triple integral in the order 
for the volume of the rectangular solid in the first octant bounded by the planes 
, 
, and 
.
A. 
B. 
C. 
D. 
Describe the transformations and give the equation for the graph.
A. It is the graph of f(x) = 
translated 6 units to the left, stretched vertically by a factor of 2 and translated 4 units down. The equation is y = 2
+ 4
B. It is the graph of f(x) = 
translated 6 units to the left, shrunken vertically by a factor of 
and translated 4 units down. The equation is y = 
- 4
C. It is the graph of f(x) = 
translated 6 units to the left, shrunken vertically by a factor of 
and translated 4 units down. The equation is y = 
- 4
D. It is the graph of f(x) = 
translated 6 units to the left, stretched vertically by a factor of 2 and translated 4 units down. The equation is y = 2
- 4
The symbolic representation of f and g are given. Use a graph of f and g to estimate the solution of f(x) = g(x). Round to the nearest tenth.f(x) = e0.91x, g(x) = 
A. 0.4 B. 215.4 C. 4.5 D. 1.5