Please help with my math question?

Posted on 2014-12-09 07:26:00 in Math by

Select the approximate values of x that are solutions to f(x) = 0, where
f(x) = -4x2 + 9x + 3

1.) {–1.33, 3.00}
2.) {-4, 9}
3.) {–2.25, –0.75}
4.) {–0.29, 2.54}
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Select the approximate values of x that are solutions to f(x) = 0, where f(x) = -7x2 + 3x + 3

1.) {0.90, –0.47}

2.) {-7, 3}

3.) {–0.43, –0.43}

4.) {–2.33, 1.00}
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Select the approximate values of x that are solutions to f(x) = 0, where f(x) = -3x2 + 2x + 6.

1.) {–1.12, 1.79}
2.) {-3, 2}
3.) {–0.67, –2.00}
4.) {–0.50, 0.33}
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Solve for x in the equation x2 - 9x + 18 = 0.

1.) {3, 6}
2.) {-3, 6}
3.) {3, -6}
4.) {-3, -6}
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If f(x)= square root x^2-1 and g(x)= square root x-1, which expression represents f(x)/g(x) for x>1

1.) Square root x-1
2.) Square root x
3.) 1/square root x+1
4.) Square root x+1

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