Unit rates are easy you just take the first number and divide it by your second
15 divided by 5 is = 3
75 divided by 25 is = 3
80 divided by 4 is = 20
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Where is the question? Is it a true or false?
Answer:
If is positive, then the parabola opens upward, so the function decreases on and increases on . But if is negative, then just the reverse
Step-by-step explanation:




6/2=3
Hope that helps :)
Sorry I do not know. Sorry to let you down