Fill in the blank with the appropriate answer.Trigonometric functions describe the properties of _______________ triangles.
Fill in the blank(s) with the appropriate word(s).
right
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Compare the graph of f(x) with the graph of y = x2.f(x) = - 
x2
A. Reflected across the x-axis and narrower B. Reflected across the y-axis and narrower C. Reflected across the y-axis and wider D. Reflected across the x-axis and wider
Graph the hyperbola.
- 
= 1
A. 
B. 
C. 
D. 
Solve. If necessary, round percents to the nearest tenth, dollar amounts to the nearest cent, and all other numbers to the nearest whole.Attendance this year at the homecoming football game is 143% of what it was last year. If last year's homecoming football game attendance was 45,000, what is this year's attendance? (Round to the nearest integer, if necessary.)
A. 3,178 people B. 643,500 people C. 64,350 people D. 315 people
Solve the system of equations using matrices. Use Gaussian elimination with back-substitution.x - y + 2z= 64x + z= 1x + 5y + z=-19
A. {(1, -4, 0)} B. {(1, 0, -4)} C. {(0, -4, 1)} D. {(0, 1, -4)}