Provide an appropriate response.Prove that the function f is not one-to-one.f(x) = x2 + 2
What will be an ideal response?
Answers may vary. Possible answer:
Find two numbers a and b for which a ? b and f(a) = f(b). Two such numbers are -1 and 1 because f(-1) = f(1) = 3. Thus, f is not one-to-one.
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Solve.During one difficult year, the Harrisons had insufficient funds in their checkbook on nine occasions, and each time, they were assessed a charge appearing as -$18 on their statement. What were the total insufficient funds charges that year?
A. $171 B. -$144 C. -$162 D. $152
Complete the ordered pair for the equation.y = -7x - 13(0, )
A. (0, -20) B. (0, -13) C. (0, -91) D. (0, -3)
Decide whether the ordered pair is a solution of the given system.
A. No B. Yes
Convert the angle in degrees to radians. Express the answer as multiple of ?.6°
A. 
B. 
C. 
D. 