Rationalize the denominator. Assume that all radicands represent positive real numbers.- 
A. -3
B. - 
C. -28
D. - 
Answer: D
Mathematics
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Find the requested function value.(g ? f)(x): f(x) = 4x2 + 6x + 4, g(x) = 6x - 7
A. 4x2 + 6x - 3 B. 24x2 + 36x + 17 C. 24x2 + 36x + 31 D. 4x2 + 36x + 17
Mathematics
Determine the correct exponential function of the form f(x) = bx whose graph is given.
A. f(x) = 
x
B. f(x) = 5x
C. f(x) = 
x
D. f(x) = 9x
Mathematics
Provide an appropriate response.Verify that the following data points give constant second differences. Does this guarantee that the points fit exactly on a quadratic function? Why or why not?
What will be an ideal response?
Mathematics
Evaluate. -2.6 - 18.5
A. 15.9 B. -15.9 C. 21.1 D. -21.1
Mathematics