Question

The graph of f(x) = 3x² 18x + 14 is shown. Use the graph of f(x) to complete the question.

Complete the table to express the range of the function in each of three ways.

Answer 1

Answer:

x=3±√39/3

x = 5.08167

x = 0.918334

domain : (-∞,∞) , {x|x ∈ ℝ}

range [-13,∞), {y|y≥-13}  

Range

Inequality Notation Set-builder Notation Interval Notation  

-13 ≤ y < ∞                         { y | -13 ≤ y < ∞ }                      ( -13 , ∞  ]

.Step-by-step explanation:

-b±√b^2-4ac/2a

18±√156/6

x=3±√39/3

x = 5.08167

x = 0.918334

domain : (-∞,∞) , {x|x ∈ ℝ}

range [-13,∞), {y|y≥-13}