Provide an appropriate response.Explain why f(x) = 2x is an exponential function but f(x) = x2 is not.
What will be an ideal response?
2x is an exponential function because the variable is in the exponent. In f(x) = x2, the variable is not in the exponent; this is a polynomial function.
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Write each equation in standard form and identify a, b, and c. 5x2 + 12x - 15 = 0
A. a = 5, b = -12, c = -15 B. a = 5, b = 12, c = 15 C. a = 5, b = -12, c = 15 D. a = 5, b = 12, c = -15
Find A-1 without a calculator.A = 
A. A-1 = 
B. A-1 = 
C. A-1 = 
A rectangular beam will be cut from a cylindrical log of radius r = 40 inches. Suppose that the strength of a rectangular beam is proportional to the product of its width and the square of its depth. Find the dimensions of the strongest beam that can be cut from the cylindrical log.
Solve.The sum of an integer and its reciprocal is 10/3. Find the integer.
A. 4 B. 10 C. 2 D. 3