MAC 1105 MAC 1105-88394
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This 2 page Study Guide was uploaded by Alicia Rooney on Sunday October 9, 2016. The Study Guide belongs to MAC 1105-88394 at Hillsborough Community College taught by Mrs. Duncan in Fall 2016. Since its upload, it has received 5 views. For similar materials see College Algebra 1105 in Mathematics at Hillsborough Community College.
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Date Created: 10/09/16
Exam two notes 2.3&2.4 o Average Rate of Change o Slope intercept form: y=mx+b Slope is the m Y-intercept is the b o Average rate of change: y2-y1/x2-x1 o Point slope form: y-y1=m(x-x ) 1 o Slope and perpendicular lines If two nonvertical lines are perpendicular, then the product of their slope if -1 If the product of the slope of the two lines is -1, then the lines are perpendicular A horizontal line having zero slope is perpendicular to a vertical line having undefined slope 2.5 o Transitions of Equations Vertical shifts- sign is not in the parentheses (+ -) Up and down Horizontal shifts- sign is in the parentheses (+ -) Right and left External negative- reflection over x axis Internal negative- reflection over y axis 2.6 o Domain of a function If there is a root function, take what is in the root and set it greater than or equal to zero and solve for x the domain of the function When there is a fraction, solve the denominator so that x CANNOT equal zero domain Functions with f and g solve and make sure they are in the lowest term F of G Put the value into the function of G and then put that product into the function of F Vice versa for G of F 2.7 o Inverse Function You will have an inverse if: You’re a function Pass the horizontal and vertical line test F the inverse of F notation To find the inverse of a function: Write in standard form Interchange x and y Solve for y -1 Change y to F 2
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