Graph the given function. Identify the vertex and the intercepts.y = x2 + 5x + 4
A. Vertex: 
x-intercepts: 1 and 4
y-intercept: 4
B. Vertex: 
x-intercepts: -1 and -4
y-intercept: 4
C. Vertex: 
x-intercepts: 1 and 4
y-intercept: 4
D. Vertex: 
x-intercepts: -1 and -4
y-intercept: 4
Answer: D
Mathematics
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Graph the function.y = -tan (x - ?)
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.The Phillips curve shows the relationship between the unemployment rate x and the inflation rate y. If the equation of the curve is y = 1 - 
for a certain third world country, then for approximately which value of x is the inflation rate 25%?
A. 50% B. 75% C. 25% D. 37.5%
Mathematics
Find the determinant.det 
A. 53 B. 73 C. -53 D. 17
Mathematics
Factor.125r3 - 216
A. (5r + 6)(25r2 + 30r + 36) B. (5r - 6)(25r2 - 30r - 36) C. (5r - 6)(25r2 + 30r + 36) D. (5r - 6)(25r2 - 36)
Mathematics