Sketch the graph of the function. Describe how the graph can be obtained from the graph of a basic exponential function.f(x) = -3(x + 1)
A. Shift y = 3x left 1 unit(s) and
reflect across the x-axis
B. Shift y = 3x left 1 unit(s) and
reflect across the x-axis
C. Shift y = 3x right 1 unit(s) and
reflect across the x-axis
D. Shift y = 3x right 1 unit(s) and
reflect across the x-axis
Answer: B
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Graph the numbers on a number line.Positive integers between -5 and 5
A. 
B. 
C. 
D. 
Write the statement in symbolic form.p: Manuel is Carmen's brother.q: Carmen is Manuel's sister. Manuel is not Carmen's brother if and only if Carmen is not Manuel's sister.
A. p ? ~ q B. ~ p ? ~ q C. ~ p ? ~ q D. ~ p ? ~ q
Solve the problem.Find the derivative of the function 
at the point 
in the direction in which the function decreases most rapidly.
A. - 
B. - 
C. - 
D. - 
Solve the problem.Jane wants to buy a photocopier. The salesperson has the following information on 3 models. If all 3 are used, a specific job can be done in 50 minutes. If copier A operates for 20 minutes and copier B for 50 minutes, one-half the job is finished. If copier B operates for 30 minutes and copier C for 80 minutes, three-fifths of the job is done. Which is the fastest copier, and how long does it take for this copier to finish the whole job?
A. A is fastest; 120 minutes B. C is fastest; 100 minutes C. B is fastest; 100 minutes D. C is fastest; 120 minutes