For the given equation and graph of the quadratic function, do each of the following. Complete pa through (e). \( f(x)=-2(x+6)^{2}+8 \) a. Give the domain and range. The domain is (Type your ansher in interval notation.) The range is \( \square \). (Type your answer in interval notation.) b. Give the coordinates of the vertex. The vertex is \( \square \). (Type an ordered pair.) c. Give the equation of the axis of symmetry. The axis of symmetry is \( x=\square \). d. Find the \( y \)-intercept(s). The \( y \)-intercept(s) is/are \( \square \). (Type an ordered pair. Use a comma to separate answers as needed.) e. Find the \( x \)-intercept(s).

Example 4 The following table giv ummer for a sample of 40 unive 2015 . alculate the mean, median, mode, ran oefficient.

Determine if the pairs of vectors below are "parallel", "orthogonal", or "neither". \( \mathbf{a}=\langle 2,4,3\rangle \) and \( \mathbf{b}=\langle-6,-12,20\rangle \) are \( \mathbf{a}=\langle 2,4,3\rangle \) and \( \mathbf{b}=\langle-6,-12,-9\rangle \) are \( \mathbf{a}=\langle 2,4,3\rangle \) and \( \mathbf{b}=\langle 4,8,5\rangle \) are Submit answer Next item

Question 7 Halla la ecuación de un recta tangente a la gráfica de: \[ f(x)=-x^{3}+x^{2} \] en el punto \( (2,-4) \). (A) \( y=-8 x-8 \) (B) \( y=-8 x-6 \) (C) \( y=-8 x-2 \) (D) \( y=-8 x+12 \)

Find a cofunction with the same value as the given expression. \( \tan \frac{\pi}{6} \)

A triangle has an area of 220 square meters. Find its height if its base measures 20 meters.