MAT/117 MAT117 MAT 117 WEEK 6 QUIZ

MAT/117 MAT117 MAT 117 WEEK 6 QUIZ 1 If f ( x )   =   x 2 − 1 ⁢ and g ( x ) = x − 1 , which expression represents f ( x ) g ( x ) for x>1? • x + 1 • x − 1 • x • 1 x + 1 2 • 121.2 feet • 57.4 feet • 85.7 feet • 229.6 feet 3. • 2 < x ≤ 10 • x > 20 • x < 2 • 10 ≤ x < 20 4. Nancy made the following statement: The range of f(x) = ax + b is the set of all real numbers given that a and b are real numbers. Which produces a counter example to her statement? • a < 0 • b < 0 • a = 0 • b = 0 5. Consider the equations: f(x)=−6x−1f(x)=−6x−1 and g(x)=4x2g(x)=4x2 Select the solution for (f+g)(x)(f+g)(x). • −6x−1+4x2−6x−1+4x2 • −24x3−4x2−24x3−4x2 • −24x2−1−24x2−1 • −6x−1−24x2−6x−1−24x2 6. Consider the equations: f(x)=−6x−1f(x)=−6x−1 and g(x)=4x2g(x)=4x2 Select the solution for (fg)(x)(fg)(x). • −6x−1+4x2−6x−1+4x2 • −24x3−4x2−24x3−4x2 • −24x2−1−24x2−1 • −24x5−24x5 7. Select the x-coordinate of the vertex of the parabola defined by the function f(x) = -5x2 + 3x +4. • 4 • - 8. Determine the equation of g(x) that results from translating the function f(x) = x2 + 3 upward 7units. • g(x) = (x + 10)2 • g(x) = (x + 7)2 + 3 • g(x) = x2 - 4 • g(x) = x2 + 10 9. Determine the equation of g(x) that results from translating the function f(x) = (x + 8)2 to the right 14units. • g(x) = (x - 6)2 • g(x) = (x + 22)2 • g(x) = (x + 8)2 - 14 • g(x) = (x + 8)2 + 14 Mathematics Help, Mathematics Homework help, Mathematics Study Help, Mathematics Course Help