Provide an appropriate response.Prove that the function f is not one-to-one.f(x) = 
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) = 2. Thus, f is not one-to-one.
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Write the decimal as a fraction or mixed number in lowest terms.15.98
A. 1
B. 15
C. 1598
D. 159
Let A = { 6, 4, 1, {3, 0, 8}, {9} }. Determine whether the statement is true or false.{6} ? A
A. True B. False
Use the quadratic formula to find the roots of the equation. Find a decimal approximation to the nearest thousandth.x2 + 8x - 3 = 0
A. x = -5.359, x = 3.359 B. x = -8.359, x = 0.359 C. x = 8.359 D. x = -12.718, x = 4.718
Perform the indicated operation. Assume that all variables represent nonnegative real numbers.2
+ 9x
A. 78
B. (2
+ 72
)x
C. 72x
D. 78x