Solve the problem.Consider the following simplified digital photograph that has a 3 × 3 grid with four gray levels numbered from 0 to 3. It shows a letter Y in white on a black background.
Let A be the 3 × 3 matrix that represents this figure digitally. Find the matrix A.
A. 
B. 
C. 
D. 
Answer: C
Mathematics
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Solve the problem.The area A of a triangle is 10x2 + 7x - 12. If the height of the triangle is 2x + 3, find the length of its base.
A. 2(5x + 4)
B. 2(5x - 4)
C. 5x - 4
D. 
Mathematics
Find the LCM.216mn and 108m
A. 1728mn B. 216m2n C. 12mn D. 216mn
Mathematics
Identify the place value of the digit 5 in the decimal number. 2.41501
A. hundredths B. thousandths C. thousands D. tenths
Mathematics
Use the graph of f to sketch a graph of the inverse of f using a dashed curve.
A. 
B. 
C. 
D. 
Mathematics