Give a set of parametric equations that describes the curve. Be sure to specify the interval over which the parameter varies.The ray (half line) with initial point (-7, 9) that passes through the point (1, 4)
What will be an ideal response?
Answers will vary. Possible answer: x = -7 + 8t, y = 9 - 5t, t ? 0
Mathematics
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Indicate whether the function is one-to-one.A = {(7, -16), (-11, -16), (-15, 16)}
A. No B. Yes
Mathematics
Multiply.
? 
A. 3
B. 21
C. 441
D. 7
Mathematics
Evaluate the binomial coefficient.
A. 30,240 B. 126 C. 252 D. 504
Mathematics
Find the perimeter. Use ? ? 3.14. Round the answer to the nearest te nth.
A. 103.1 m B. 128.2 m C. 160.2 m D. 89.2 m
Mathematics