Determine the maximum number of turning points of f.f(x) = (x + 2)(x - 4)(7x - 4)
A. 3
B. 2
C. 7
D. 0
Answer: B
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Solve the equation.
+ 9 = x
A. x = 9 B. x = 18 C. x = 18, x = 5 D. No solution
First rewrite the quadratic function in standard form by completing the square, then find any x-intercepts and any y-intercepts.f(x) = 2x2 + 10x - 48
A. x-intercepts: 6 and -4; y-intercept: -10 B. x-intercepts: -8 and -3; y-intercept: 48 C. x-intercepts: 6 and 4; No y-intercepts D. x-intercepts: -8 and 3; y-intercept: -48
Calculate, if possible.10 + (-19) + (-15)
A. 6 B. 44 C. -24 D. 14
Write a formula for src="https://sciemce.com/media/3/ppg__cognero__Section_5.2_Sum_and_Difference_Formulas__media__83c097aa-a777-4229-984f-ed1ca8a79984.PNG" class="wirisformula" align="middle" style="vertical-align: middle;" data-wiris-created="true" varid="variable_id_field" variablename="impvar_55edce9883834760bb9fe82f6" /> and using the formula for the sine of a sum.
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