using approximations to 1 significant figure, estimate the value of 9.94² × 29.7 you must show your working
1 answer:
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Answer:
- f(g(x)) = 14x³ - 3
Step-by-step explanation:
<u>Given:</u>
- f(x) = 7x² - 3
- g(x) =
<u>To find f(g(x)), substitute x in f(x) with the value of g(x):</u>
- f(g(x)) =
= 7(2x³) - 3 = 14x³ - 3
This represents the amount of money she earns every hour, where x is the number of hours.