Desmos Graphing Calculator

CalcReferenceCopy

Math·Algebra·Linear functions

easy

$$s=10+4t$$

The equation gives the speed $s$, in miles per hour, of a certain car $t$ seconds after it began to accelerate. What is the speed, in miles per hour, of the car $5$ seconds after it began to accelerate?

A

10

B

14

C

15

D

30