Find the x-intercepts of the polynomial function. State whether the graph crosses the x-axis, or touches the x-axis and turns around, at each intercept. f(x) = 7x2 - x3

A. 0, touches the x-axis and turns around;
, crosses the x-axis;
-, crosses the x-axis
B. 0, crosses the x-axis;
, crosses the x-axis;
-, crosses the x-axis
C. 0, touches the x-axis and turns around;
7, touches the x-axis and turns around
D. 0, touches the x-axis and turns around;
7, crosses the x-axis


Answer: D

Mathematics

You might also like to view...

Determine whether the following is always true or not always true. Given reasons for your answers.u × 0 = 0

What will be an ideal response?

Mathematics

Find the inverse of the matrix (if it exists)



a.
b.
c.
d.

Mathematics

Use the laws of exponents to simplify. Write the answer with positive exponents.

A.
B. 64
C. 81/2
D. 2

Mathematics

Provide an appropriate response.Why is finding the value of a  like answering the question "What is the name of the boy whose name is John?"

What will be an ideal response?

Mathematics