Find the x-intercepts (if any) for the graph of the quadratic function.f(x) = -6(x - 5)2 + 24
A. -7 and -3
B. 3 and 7
C. -3
D. 7
Answer: B
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Plot the points with the given coordinates.A(3, 4), B(-5, -3)
What will be an ideal response?
Use a graph to find an approximate solution to the equation. Round to the nearest thousandth.2(x - 2) = 22
A. 13.000 B. 6.459 C. 4.398 D. 2.459
Provide an appropriate response.Solve: 
? 2
A. 1 ? x ? 5 B. x ? -5 or x ? -1 C. -1 ? x ? -5 D. x ? 1 or x ? 5
Secret messages can be encoded by using a code and an encoding matrix. If we have the code:
and an encoding matrix E, we can encode a message by taking every two letters of the message, converting them to their corresponding numbers, creating a 2 × 1 matrix, and then multiplying each two numbers by E. The message may be unscrambled with a decoding matrix which is the inverse of the coding matrix, E-1. Determine if the given pair of encoding matrices are inverses of each
other.
and 
What will be an ideal response?