Add.318 + 37 + 2656 + 9
A. 3042
B. 3020
C. 2800
D. 2998
Answer: B
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Solve the problem.Given the acceleration, initial velocity, and initial position of a body moving along a coordinate line at time t, find the body's position at time t.a = sin 4t + 20, v(0) = - 
, s(0) = 9
A. s = - 
sin 4t + 10t2 + 9
B. s = - 
sin 4t - 10t2 + 9
C. s = - 
cos 4t + 10t2 + 9
D. s = 
cos 4t + 10t2 + 9
The circumference of a circle is given by 
where r is the radius of the circle. What is the circumference of a circle with a 3-in. radius?
What will be an ideal response?
Find the vertex, the y-intercept, and the x-intercepts (if any exist), and graph the function.y = x2 - 6x + 9
A. vertex (-3, 0)
x-int: (-3, 0);
y-int: (0, 9)
B. vertex (0, -9)
x-int: (3, 0),(-3, 0);
y-int: (0, -9)
C. vertex (0, 9)
no x-intercepts;
y-int: (0, 9)
D. vertex (3, 0)
x-int: (3, 0);
y-int: (0, 9)
Solve the problem.Suppose the consumption of electricity grows at 4.4% per year, compounded continuously. Find the number of years before the use of electricity has tripled. Round the answer to the nearest hundredth.
A. 24.97 yr B. 0.25 yr C. 68.18 yr D. 2.50 yr