Let f(x) = 2x, g(x) = 2x^2 – x, and h(x) = 3x. Lola finds the composition [f o g o h](x) as shown below. What error did Lola mak
e?
= 2[2(3x)^2 – 3x]
= 2[2(9x^2) – 3x]
= 2(18x^2 – 3x)
= 36x^2 – 3x
= 2[2(3x)^2 – 3x]
= 2[2(9x^2) – 3x]
= 2(18x^2 – 3x)
= 36x^2 – 3x
1 answer:
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Andrea had 5 coins worth 50 cents ! And , thereafter her brother gave her 7 coins worth 23 cents .
<u>Step-by-step explanation:</u>
Here we have , Andrea has some money. Her brother gives her 7 coins worth 23 cents and now she has 73 cents. If she started with 5 coins, We need to find what coins did Andrea's brother give her and what coins did Andrea start with. Let's find out:
Andrea has some money , and her brother gives her 7 coins ! worth 23 cents . So , 1 coin worth is :
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Now , she had a total of 73 cents i.e.
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Initially Andrea had 5 coins worth 50 cents ! And , thereafter her brother gave her 7 coins worth 23 cents .