Consider the function f(x) = 9^x. Which statement MUST be true? A) f(4)/f(1) = f(8)/f(5) B) f(4)·f(1) = f(8)·f(5) C) f(4) − f(1)
2 answers:
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Answer:
(9, <u>81</u>) (<u>8</u>, 71)
Step-by-step explanation:
My explanation is in the picture. All I did was replace the known variable with the proper letter!
Answer:
Greg worked more than 20 hours.
Step-by-step explanation:
Let's solve the inequality for so we know how many hours Greg worked:
Step 1. Subtract 25 from both sides of the inequality
Step 2. Divide both sides by 14
We can conclude that Greg worked more than 20 hours.