State whether the function is a polynomial function or not. If it is, give its degree. If it is not, tell why not.f(x) = x(x - 5)
A. Yes; degree 2
B. No; it is a product
C. Yes; degree 0
D. Yes; degree 1
Answer: A
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Use the graph to estimate the specified limit.Find 
f(x) and
f(x)
A. 3; 1 B. -3; -1 C. 3; -1 D. -1; 3
Evaluate the indicated function with the given information.Find the value of sin 
if cos ? = - 
(90° < ? < 180°).
A. 
B. 
C. 
D. 
Solve the problem.The inequality |T - 35| ? 18 describes the range of monthly average temperatures T in degrees Fahrenheit at a City X. (i) Solve the inequality. (ii) If the high and low monthly average temperatures satisfy equality, interpret the inequality.
A. 14 ? T ? 56; The monthly averages are always within 
B. T ? 53; The monthly averages are always less than or equal to 
C. 17 ? T ? 53; The monthly averages are always within 
D. 14 ? T; The monthly averages are always greater than or equal to 
Solve the problem.The expression 0.60(220 - a - r) + r is used to obtain the target heart rate for a cardiovascular workout for a nonathletic male with age a and resting heart rate r. The accompanying table shows the target heart rate for a 23-year-old nonathletic female for various resting heart rates. Find the missing entries. 
A. 144.2; 146.2; 148.2 B. 147.8; 149.8; 151.8 C. 135.2; 137.2; 139.2 D. 222.2; 230.2; 238.2