I will fr mark as brainiest I need help answer plz hurry

Eric has challenged himself to walk 24,000 steps in 4 days. if eric walks the same number of steps each day, which function represents the number of steps eric still needs to walk to reach his goal with respect to the number of days since he started his challenge? a. y = 8,000x − 24,000 b. y = -8,000x + 24,000 c. y = 6,000x − 24,000 d. y = -6,000x + 24,000

Could someone me with this question i’ve been stuck on it for 20 minutes

What is the location of maximum over the interval [-3,1.5] for the graphed function?