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Earn +20 ptsQ: Does a power function cross the x-axis?
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Why doesnt the function y ex ever cross the x-axis?
no number can be raised to a power and equal 0 (x^y can never = 0). e is positive (about 2.7) and any positive number can not be raised to a power and equal negative (positive number X positive number = positive number)
What is the difference be a polynomial function and an exponential function?
In a polynomial function, the variable x is raised to some integer power. f(x) = 5x³ + 8x⁵ g(x) = (x + 5)² In an exponential function, some real number is raised to the power of variable x or some function of x f(x) = 5ˣ g(x) = eˣ⁺²
The graph of a certain quadratic function does not cross the x-axis Which of the following are possible values for the discriminant Check all that apply?
-1 -18 -25 -7
What is the greatest number of x intercepts that a function may have?
The same number as the highest power of the independent variable.
How many angles does a cross have?
A cross has 4 angles
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