Name:______Date:______
Calculus Pretest
I. Linear Equations
- Find the point-slope form of the equation of the line passing through the points (-1, 2) and (1, -2).
II. Solving Equations, finding zeros, roots of functions, factoring.
- Factor by grouping: 5cos2(x) – 5sin2(x) + sin(x) + cos(x)
- Factor over the set of real numbers: x2 + 5x + 5.
- Factor the polynomial:
- Solve for .
a.
b.
c.
- Solve the system for x and y:
- Solve for : (x + 1)1/2 + (x – 1)1/2 = 2
III. Families of Functions (Domain, Range, Asymptotes, Intercepts, Max, Min, Etc)
1. Given the graph of , determine the domain, range, asymptotes and intercepts.
2. Given the graph of g(x) = cos(2x + π /3), determine the domain, range, period, frequency, amplitude, and phase shift.
IV. Rules of Logs and Exponentials
1. Solve for .
a. 3x+1 = 15
b. log(x-2) + log(2x-3) = 2log(x)
c. -14 + 3ex = 11
d. 5 + 2ln(x) = 4
2. If 55 is approximately equal to 3000, then approximate the value of 510?
V. Algebraic Substitution
1. If , find .
2. Given , find the difference quotient, , and simplify completely.
VI. Solve Inequalities/Polynomial/Absolute Value
1. |x – 2| +3 < 7
2. x2 – 25 > 0
VII. Composition of Functions/ Inverse Functions
1. If r(x) = x2 – 4 and s(x) = x1/2, find s(r(x)) and specify its domain.
2. Given the graph of an inverse function f-1, sketch a graph of the function f.
VIII. Simplifying Rational Expressions/ Rationalizing Algebraic Expressions
1. Reduce the expression to lowest terms: (x + 1)3(x – 2) + 3(x + 1)2
(x + 1)4
2. Reduce the expression to lowest terms: x1/2 – x1/3
x1/6
3. Simplify: x1/2 – 51/2
x – 5
3. Simplify: x4 + x – 2
x - 1
IX. Represent Geometric Parameters with Algebraic Expressions
1. The length of a rectangle is 3 meters more than twice its width. What is the width if the perimeter of the rectangle is 186 meters?
2. A square picture is mounted on a larger rectangular sheet of poster paper leaving a border around the picture of 2 inches on the bottom and 1 inch on each of the remaining sides. The sheet of poster paper has an area of 42 square inches. If x represents the length of a side of the square picture, then write the equation that can be used to determine the value of x and solve it.
X. Trigonometric Functions and Solving Trigonometric Equations.
1. Prove: csc2(x) – cot2(x) = 1
2. If f(x) = cos(3x), then find f(π/6).
3. For which values of x is sec(x) not defined?
4. Simplify the following expression: sec(θ)cot(θ)sin2(θ)
5. Given that cos(θ) = ½, and θ terminates in quadrant I, evaluate all six trigonometric functions of θ.
6. Solve the following equation for x: 2sin(x) – 1 = 0.