Mathematics, 04.08.2019 17:30 noathequeen
If f(x) = 2x^2 + 1 and g(x) = x^2 - 7, find (f+g)(x) a. 3x^2 + 8 b. 3x^2 - 6 c. x^2 - 6 d. x^2 + 8
Answers: 1
Mathematics, 21.06.2019 19:00
What are the solutions of the system? y = x^2 + 2x +3y = 4x - 2a. (-1, -6) and (-3, -14)b. (-1, 10) and (3, -6)c. no solutiond. (-1, -6) and (3, 10)
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Mathematics, 21.06.2019 23:00
I'm at a bookstore with $\$35$ in my pocket and a $20\%$-off coupon. what is the cost of the most expensive book i can buy with my money and the coupon? (assume that there are books of every possible price in the bookstore. it's a large bookstore! )
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Mathematics, 22.06.2019 00:30
1. according to the internal revenue service, the mean tax refund for the year 2007 was $2,708. assume the standard deviation is $650 and that the amounts refunded follow a normal probability distribution. a. what percent of the refunds are more than $3,000? b. what percent of the refunds are more than $3,000 but less than $4,000? c. what percent of the refunds are less than $2,000?
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Mathematics, 22.06.2019 01:00
Given the numbers c = –3 and d = 4, which statement is true? a. |–c| = 3 and |–d| = –4 b. |–c| = 3 and –|d| = –4 c. –|c| = –4 and –|d| = 3 d. |–c| = 3 and –|d| = 4
Answers: 1
If f(x) = 2x^2 + 1 and g(x) = x^2 - 7, find (f+g)(x) a. 3x^2 + 8 b. 3x^2 - 6 c. x^2 - 6 d. x^2 + 8...
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