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Given the functions a(x) = 3x − 12 and b(x) = x − 9, solve a[b(x)]. A. a[b(x)] = 3x2 – 21 B. a[b(x)] = 3x2 – 39 C. a[b(x)] = 3x – 21 D. a[b(x)] = 3x − 39
answered
Dec 15, 2017
Mathematics
high-school
2
votes
167k
views
Are the graphs of the lines in the pair parallel? Explain. Find the slope of a line parallel to 3x – y = 1 A) –3 B) - 1/3 C) 1/3 D) 3
answered
Nov 18, 2017
Mathematics
high-school
3
votes
193k
views
What is the basis of an organic molecule
answered
Nov 9, 2017
Biology
high-school
6
votes
211k
views
Selina earns 8% commission on sales. On one sale,her commission was $20.40. What was the amount of that sale?
answered
Aug 23, 2017
Mathematics
middle-school
6
votes
221k
views
The exterior walls of the regular pentagon shaped courthouse must be painted. Each wall is 80ft by 18ft what is the surface area of the walls that are being painted
answered
May 17, 2017
Mathematics
high-school
2
votes
58.6k
views
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