Iowa State University
Exam 1 Review Math 151 Michael SwansonFactor the following equations 1.) 3x2-10x-82.) x3-64xSolve the equations for x 3.) x2+7x+12=04.) x3-3=4x5+7Simplify these expressions5.) (5x-3y4)-26.) 8x4y3Find slope intercept form using the following points7.) (4,3) and (7,2)8.) A company has $30,000 in sales in year 2 and $70,000 in sales in year 7. Assume there is a linear relationship between years and sales. What would be the expected sales total in year 15?Solve the equations Use the properties of Exponents and Logarithms to solve (2.4-2.5)9.) 2x=25610.) 3x+2=272x-311.) logx64=312.) log6(4x-3)=2Find the domain of the following equations – Continuity (3.2)13.) x214.) 1x315.) x+416.) Find the avg rate of change for f(x)=9-x2along the domain [-3,2]17.) Find the instantaneous rate of change for f(x)=2x2-2at x=1Find the derivative using fx+h-f(x)h (3.4)18.) f(x)= 3x2-2x19.) f(x)=3x 20.) What is the difference in the process for finding 17, 18, and 19? ................
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