Johnny is driving his bike when a tack becomes stuck in his tire. The tire had a radius of 32cm and makes one complete rotation every 0.5 seconds. Write a cosine function. Using your function figure out how high will the tack be above the ground 12.38 seconds after becoming lodged in his tired? Y=___cos(___x+___)+___

It will be cm high after 12.38 seconds. (Round to the nearest whole number)