Multiply and simplify any radicals in your answer. Assume that all variables represent positive real numbers.6
(
+ 
)
A. 6
+ 3
B. 18
+ 18
C. 6
+ 3
D. 6
+ 18
Answer: D
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Evaluate.
A. 5 B. -4 C. -5 D. -6
Graph the quadratic function. Determine the vertex, find the equation of the axis of symmetry, find any x- and y-intercepts, and state the domain and range in interval notation.f(x) = x2 - 12x + 36
A. vertex: (6, 36)
axis of symmetry: x = 6
x-intercept: none; y-intercept: 72
domain: (-?, ?); range: [36, ?)
B. vertex: (-6, 0)
axis of symmetry: x = -6
x-intercept: -6; y-intercept: 36
domain: (-?, ?); range: [0, ?)
C. vertex: (6, 0)
axis of symmetry: x = 6
x-intercept: 6; y-intercept: 36
domain: (-?, ?); range: [0, ?)
D. vertex: (-6, 36)
axis of symmetry: x = -6
x-intercept: none; y-intercept: 72
domain: (-?, ?); range: [36, ?)
Solve the radical equation. Check all proposed solutions.x - 
= 4
A. x = 1, 2 B. x = 9 C. x = -1 D. x = 2, 9
Simplify the expression.  figure 1.png)
What will be an ideal response?