Find the vertex, the y-intercept, and the x-intercepts (if any exist), and graph the function.y = x2 - 49
A. vertex (0, -49)
x-int: (0, 0) and (7, 0)
y-int: (0, 0)
B. vertex (0, -49)
x-int: (0, 0) and (-7, 0)
y-int: (0, 0)
C. vertex (0, -49)
x-int: (-7, 0) and (7, 0)
y-int: (0, -49)
D. vertex (0, 49)
x-int: (-7, 0) and (7, 0)
y-int: (0, 49)
Answer: C
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Solve.log31 = x
A. x = 0 B. x = 3 C. x = 1 D. x = 9
Estimate a sum by rounding each addend to the specified place. Estimate a difference by rounding the minuend and subtrahend to the specified place value.532.432 - 209.30 to the nearest ten
A. 320 B. 310 C. 330 D. 300
Start with the graph of y = ex. a) Describe a sequence of transformations that results in the graph of y = f(x); b) Find the range of f(x); c) Find the horizontal asymptote of the graph of f.f(x) = -5e2x - 1 - 8
A. a) The graph of y = ex is compressed horizontally by a factor of 
, shifted 
unit to the right, stretched vertically by a factor of 5, reflected in the x-axis, and shifted down eight units.
b) (-?, -8)
c) y = -8
B. a) The graph of y = ex is compressed horizontally by a factor of 
, shifted 
unit to the left, stretched vertically by a factor of -5, and shifted down eight units.
b) (-8, ?)
c) y = -8
C. a) The graph of y = ex is compressed horizontally by a factor of 
, shifted 
unit to the right, stretched vertically by a factor of 5, reflected in the x-axis, and shifted up eight units.
b) (-?, 8)
c) y = 8
D. a) The graph of y = ex is compressed horizontally by a factor of 
, shifted 
unit to the left, stretched vertically by a factor of 5, reflected in the x-axis, and shifted down eight units.
b) (-?, -8)
c) y = -8
Translate the problem to a system of equations and then solve.The sum of two numbers is 72. Four times the larger number minus three times the smaller number is 78. What are the numbers?
A. 26, 46 B. 30, 42 C. 38, 34 D. 26, 39