Suppose the position of an object moving in a straight line is given by the specified function. Find the instantaneous velocity at time t.s(t) = t2 + 5t + 3, t = 1
A. 6
B. 7
C. 10
D. 9
Answer: B
Mathematics
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Find parametric equations for the line through the point that is parallel to the plane x+y+z=-15 and perpendicular to the line x=15+t, y=12-t, z=3t.
What will be an ideal response?
Mathematics
Use a half-angle formula to find the exact value of the expression.cos 
A. - 
B. 
C. 
D. - 
Mathematics
Use the given graph of the quadratic function f to write its formula as 
.
A. f(x) = 
(x + 1)2 - 3
B. f(x) = 
(x - 1)2 - 3
C. f(x) = 2(x - 1)2 - 3
D. f(x) = (x - 1)2 - 3
Mathematics
Multiply.0.7128 × 100
A. 0.007128 B. 71.28 C. 7.128 D. 712.8
Mathematics