Step-by-step explanation:
The given function is :

(a) To find f(9), put x = 9 in the above expression.

(b) To find f(x+7), put x = x+7 in the above expression.

(c) To find f(-x), put x = -x in the above expression.

Hence, this is the required solution.
Answer: 180/540
Simplified term would be 1/3
The answer is b
Answer:

Step-by-step explanation:
<u>Step 1: Set x to -1 and solve</u>
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Answer: 
Answer:
= 17.7 ( rounded off to one decimal place)
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Step-by-step explanation:
851 ÷ 48
= 17.7291
= 17.7 ( rounded off to one decimal place)
2/3 of $48 is $32. (48 / 3 = 16 x 2 =3)
7/8 of $22 is $19.25.
3/4 of 60 is 45.