Use quadratic regression to model the following data. Round your answers to two decimal places, if necessary.
x 2.13 3.45 4.76 6.18 8.22 y 3.64 5.82 9.16 7.32 3.19?
A. ?
B. ?
C. 
D. ?
Answer: C
Mathematics
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Write the number in standard notation.9.72 x 10-4
A. -972,000 B. 0.00972 C. 0.000972 D. 0.0000972
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Provide an appropriate response. A manufacturer recommends attaching a guy wire to its 40-ft antenna at a 45° angle. If the antenna is installed on a flat surface, how long must the guy wire be (to the nearest foot) if it is attached to the antenna 4 ft from the top.
A. 51 ft B. 57 ft C. 36 ft D. 50 ft
Mathematics
Subtract.
A. 1.4096 B. 1.396 C. 1.9996 D. 1.3996
Mathematics
Decide whether or not the functions are inverses of each other.f(x) = 
, g(x) = 
A. Yes B. No
Mathematics