A math club had 4 members in its first year. It had 19 members in its fourth year and 29 members in its sixth year. Assuming a c
onstant rate of increase, how many members will the math club have in its thirteenth year?
1 answer:
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Answer:
x = ±
Step-by-step explanation:
Given
2x² - 9 = 11 ( add 9 to both sides )
2x² = 20 ( divide both sides by 2 )
x² = 10 ( take the square root of both sides )
x = ± ← exact solutions
