Colossal canyon was formed in the shape of a parabola. the graph below shows the shape of the canyon. what interval is the function increasing?
a=all real numbers
b=

c=

d=

The function increasing ⇒ 3 ≤ x ≤ 6 answer C

Step-by-step explanation:

∵ The vertex of the parabola is (3 , -6)

∴ The minimum value = -6 at x = 3

∵ The left part of the parabola is decreasing because the value of y decreased from 3 to -6 when 0 ≤ x ≤ 3

∵ The right part of the parabola is increasing because the value of y  increased from -6 to 3 when 3 ≤ x ≤ 6

∴ The function is increasing at interval  3 ≤ x ≤ 6

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step-by-step explanation:

answer: -2+√x,-2-√x

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