Use quadratic regression to model the following data. Round your answers to two decimal places, if necessary.
x 1.44 3.11 5.43 6.87 8.15 y 7.93 3.65 4.41 6.14 8.77?
A. ?
B. 
C. ?
D. ?
Answer: B
Mathematics
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Write the digit for the given place value in the whole number.9574thousandstens
A. thousands 9 tens 7 B. thousands 5 tens 4 C. thousands 5 tens 7 D. thousands 9 tens 4
Mathematics
Perform the indicated operations graphically.4 + (-3 + 4j )
A. 
a = 4
b = -3 + 4j
c = 4 + (-3 + 4j )
B. 
a = 4
b = -3 + 4j
c = 4 + (-3 + 4j )
C. 
a = 4
b = -3 + 4j
c = 4 + (-3 + 4j )
D. 
a = 4
b = -3 + 4j
c = 4 + (-3 + 4j )
Mathematics
Evaluate the expression.3-2
A. -9
B. 9
C. 
D. 
Mathematics
Solve the problem.The temperature in Verlander is modeled by 
where T(x) is the temperature in degrees Fahrenheit on day x, with 
representing January 1 and 
representing December 31. Find the temperature on May 20.
A. 72°F B. 83°F C. 70°F D. 64 °F
Mathematics