Find the zeros for the polynomial function and give the multiplicity for each zero. State whether the graph crosses the x-axis or touches the x-axis and turns around, at each zero.f(x) = -2(x + 5)3

A. 4, multiplicity 1, touches the x-axis and turns around; -5, multiplicity 3, touches x-axis and turns around
B. 4, multiplicity 1, crosses x-axis; -5, multiplicity 3, crosses x-axis
C. - 4, multiplicity 1, touches the x-axis and turns around; 5, multiplicity 3, touches x-axis and turns around
D. - 4, multiplicity 1, crosses x-axis; 5, multiplicity 3, crosses x-axis


Answer: B

Mathematics

You might also like to view...

Use the power-reducing identities to rewrite the expression that does not contain trigonometric functions of power greater than 1.4 sin x cos3 x + 4 sin3 x cos x

A. 2 sin x B. 2 cos x C. 2 sin 2x D. 2 cos 2x

Mathematics

Solve the problem.The number of bacteria growing in an incubation culture increases with time according to  where x is time in days. Find the number of bacteria when  and .

A. 6400 bacteria; 1,638,400 bacteria B. 6400 bacteria; 102,400 bacteria C. 25,600 bacteria; 102,400 bacteria D. 6400 bacteria; 51,200 bacteria

Mathematics

Determine whether the functions f and g are inverses of each other.f(x) = ; g(x) =  + 8

A. Yes B. No

Mathematics

Factor the difference of squares.49x2 - 16

A. (7x + 4)2 B. (7x - 4)2 C. (49x + 1)(x - 16) D. (7x + 4)(7x - 4)

Mathematics