SOLUTION: Determine if the function is one-to-one by noting the function family to which it belongs and mentally picturing the shape of its graph.
f (x) = –10x^2+ 7
Select one:
a. one-t
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Question 1093284: Determine if the function is one-to-one by noting the function family to which it belongs and mentally picturing the shape of its graph.
f (x) = –10x^2+ 7
Select one:
a. one-to-one
b. not one-to-one
Answer by Boreal(15235) (Show Source): You can put this solution on YOUR website!
One to one passes both the vertical and horizontal line tests.
Without graphing, this is a quadratic convex upward. It passes the vertical line test, so it is a function, but not the horizontal line test. Graph is below.
B.
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