For the piecewise function, find the specified function value.
f(x) = {
f(-2)
A. -10
B. -3
C. -7
D. 10
Answer: A
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Sketch the graph of the function. Describe how the graph can be obtained from the graph of a basic exponential function.f(x) = 3x + 1
A. Shift y = 3x up 1 unit(s)
B. Shift y = 3x up 1 unit(s)
C. Shift y = 3x down 1 unit(s)
D. Shift y = 3x down 1 unit(s)
Without graphing, describe the shape of the graph of the function and complete the ordered pairs 
and 
f(x) = 70.6x
A. The graph lies below the x-axis, falls from right to left, with the negative 
as a horizontal asymptote; 
B. The graph lies above the x-axis, rises from left to right, with the negative 
as a horizontal asymptote; 
C. The graph lies below the x-axis, rises from left to right, with the negative 
as a horizontal asymptote; 
D. The graph lies above the x-axis, falls from left to right, with the negative 
as a horizontal asymptote; 
Solve the problem.The decay of 978 mg of an isotope is given by 
where t is time in years. Find the amount left after 
A. 144 B. 946 C. 140 D. 72
Express the indicated number in standard notation or trigonometric notation, as directed.Express the indicated number in standard notation. 
A. 4 - 4i B. 4 + 4i C. -4 - 4i D. -4 + 4i