Contestants in the Run-and-Bike-a-thon run for a specified length of time, then bike for a specified length of time. Jason ran at an average speed of 5.7 mi/h and biked at
an average speed of 20.6 mi/h, going a total of 14.2 miles. Seth ran
speed of 11.4 mi/h and biked at an average speed
at an average
of 18.8 mi/h, going a total of 17.4
miles. For how long do contestants run and for how long do they bike? Round to the
nearest hundredth if necessary.
Contestants run
hour and bike
hour.

step-by-step explanation:

rectangles are made up of 4 right angles, which means that a side and a base meet perpendicular to one another.   their slopes then have to reflect perpendicular slopes.   perpendicular slopes are opposite reciprocals of one another.   for example, if the slope of one line is +2/3, then the perpendicular slope to that would be -3/2.   so we look for that combination in our choices.

all of them satisfy that condition (so what's the question, i guess? )

f(x) is   are being squared

g(x) is   increasing by 2

h(x) is adding .25 each time

k(x) is taking the square root

f(x) and k(x) are exponential functions

the answer is 9 because the question is telling how much it be together.