What is the domain of the function represented by this graph? Need help ASAP !! A: x ≥ 4
B: all real numbers
C: -2 ≤ x ≤ 2
D: x ≤ 0

Add the two expressions 3.8b - 7 and 2.9b + 9 enter your answer in simplified form

Two cyclists 84 miles apart start riding toward each other at the same. one cycles 2 times as fast as the other. if they meet 4 hours later, what is the speed (in mi/h) of the faster cyclist?

Question 2 of 102 pointsthe temperature is 45°f. the temperature will decrease by 2°f each hour. leth be the number of hours. when will the temperature be below 32°f? write an inequality for this problem. oa. 45 + 2h 32b. 45 + 2h< 32o c. 45 - 2h< 32od. 45 - 2hs 32