Find the length of the curve.x = 
t2, y = 
(6t + 9) 3/2, 0 ? t ? 1
A. 4
B. 7
C. 
D. 2
Answer: C
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Translate to an algebraic expression.Robbie drove his car at 50 mph for x hours. How many miles did he travel?
A. 50x
B. 
C. 50 - x
D. 
Identify the vertex, the equation of the axis of symmetry, and the x- and y-intercepts of the graph. Then graph.f(x) = x2 + 5x + 4
A. Vertex: 
;
axis of symmetry: x = - 
;
x-intercepts: (1, 0), (4, 0);
y-intercept: (0, 4)
B. Vertex: 
;
axis of symmetry: x = 
;
x-intercepts: (-1, 0), (-4, 0);
y-intercept: (0, 4)
C. Vertex: 
;
axis of symmetry: x = 
;
x-intercepts: (1, 0), (4, 0);
y-intercept: (0, 4)
D. Vertex: 
;
axis of symmetry: x = - 
;
x-intercepts: (-1, 0), (-4, 0);
y-intercept: (0, 4)
Use the information given about the angle ?, 0 ? ? ? 2?, to find the exact value of the indicated trigonometric function.tan ? = 
, ? < ? < 
Find tan(2?).
A. - 
B. - 
C. 
D. 
Solve. Write the answer in simplest form.Find the perimeter of the parallelogram.
A. 
m
B. 
m
C. 
m
D. 
m