Use regression to solve the problem. Round numbers to the nearest hundredth.The first column shows the independent variable (x). The second column shows the dependent variable (y).
Use linear regression to predict the value of y when x = 21.
A. 66.94
B. 62.74
C. 73.24
D. 69.04
Answer: A
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Solve the problem.32° Fahrenheit = 0° Celsius. A function that converts temperatures in Celsius to those in Fahrenheit is 
. Find the inverse of the function.
A. f-1(x) = x + 32
B. f-1(x) = 
(x - 32)
C. f-1(x) = 
(x + 32)
D. f-1(x) = 
x + 32
List the intercepts of the graph.Tell whether the graph is symmetric with respect to the x-axis, y-axis, origin, or none of these. 
A. intercepts: (-2, 0) and (2, 0) symmetric with respect to origin B. intercepts: (-2, 0) and (2, 0) symmetric with respect to x-axis, y-axis, and origin C. intercepts: (0, -2) and (0, 2) symmetric with respect to x-axis, y-axis, and origin D. intercepts: (0, -2) and (0, 2) symmetric with respect to y-axis
If 
, find 
.
?
A. 
B. 
C. 
D. 
E. 
Solve.12x + 12 = 180
A. 3 B. 160 C. 156 D. 14