Sketch the graph of the quadratic function. Identify the vertex and axis of symmetry.f(x) = (x + 1)2 - 9
A. vertex: (1, - 9)
axis of symmetry: x = 1
B. vertex: (- 1, - 9)
axis of symmetry: x = - 1
C. vertex: (- 1, - 9)
axis of symmetry: x = - 1
D. vertex: (1, - 9)
axis of symmetry: x = 1
Answer: C
Mathematics
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Find the exact value of the expression.
A. -2
B. - 
C. -
D. - 
Mathematics
Solve by graphing. Label the axes and show where the solution is located on the graph.The value, v, in hundreds of dollars, of Juan's computer is approximated by 
where t is the number of years since he first bought the computer. Graph the equation and use the graph to estimate the value of the computer 8 years after it was purchased.
A. $1400 B. $200 C. $840 D. $600
Mathematics
Find the matrix product, if possible.
A. 
B. Not possible
C. 
D. 
Mathematics
Write the fraction in decimal notation.
A. 1.025 B. 1.05 C. 1.15 D. 1.125
Mathematics