Question

A. F(x) < 0 on the interval x < 0.

B. F (x) > 0 on the interval x <0.
C. F (x) < 0 on the interval 0 < x < 1.
D. F (x) > 0 on the interval 0 < x < 1.
E. F (x) < 0 on the interval 1 < x < 3.
F. F (x) > 0 on the interval 1 < x < 3.
G. F (x) < 0 on the interval x > 3.
H. F (x) > 0 on the interval x > 3

Answer 1

f(x) > 0 - I and II quadrant

f(x) < 0 - III and IV quadrant

Look at the picture.

A. F(x) < 0 on the interval x < 0. TRUE

B. F (x) > 0 on the interval x <0. FALSE

C. F (x) < 0 on the interval 0 < x < 1. TRUE

D. F (x) > 0 on the interval 0 < x < 1. FALSE

E. F (x) < 0 on the interval 1 < x < 3. FALSE

F. F (x) > 0 on the interval 1 < x < 3. TRUE

G. F (x) < 0 on the interval x > 3. TRUE

H. F (x) > 0 on the interval x > 3. FALSE