The x-and y-components of an acceleration vector are 3.0 m/s2 and 4.0 m/s2, respectively. (a) The magnitude

Question:

The x-and y-components of an acceleration vector are 3.0 m/s2 and 4.0 m/s2, respectively.
(a) The magnitude of the acceleration vector is (1) less than 3.0 m/s2, (2) between and 3.0 m/s2 and 4.0 m/s2 (3) between and 4.0 m/s2 and 7.0 m/s2 (4) equal to 7.0 m/s2.
(b) What are the magnitude and direction of the acceleration vector?