Determine the slope, if it exists, of the graph of the given linear equation.y = 
A. not defined
B. m = 
C. m = 0
D. m = - 
Answer: C
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The boat swim y miles downstream in 5 hours. The speed of the boat in still water is 24 mph. Write the a linear equation that represent how distance depends from the speed of stream x.
A. y = 5x + 120 B. y = 5x + 24 C. y = 120x + 5 D. y = 24x + 120
Express the integrand as a sum of partial fractions and evaluate the integral.
dx
A. 2 ln 
- 
+ ln 
+ 
tan-1 
+ C
B. 5 ln 
+ 
- ln 
+ sin-1 
+ C
C. 7 ln 
+ ln 
+ 
tan-1 
+ C
D. 2 ln 
+ ln 
+ 
tan-1 
+ C
Solve.The temperature on a March morning is -9°F at 6 a.m. If the temperature drops 2° by 7 a.m., rises 6° by 8 a.m., and then drops 2° by 9 a.m., find the temperature by 9 a.m.
A. 7°F B. 19°F C. -7°F D. -19°F
The graph of a function is given. Determine whether the function is increasing, decreasing, or constant on the given interval.(0, 1)
A. increasing B. decreasing C. constant