Find an equation of the tangent line at the indicated point on the graph of the function.s = h(t) = t3 - 16t + 4, (t, s) = (4, 4)
A. s = 32t - 124
B. s = 36t - 124
C. s = 4
D. s = 32t + 4
Answer: A
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Solve.A tower casts a shadow 114 ft long, and at the same time a 9.0-ft post casts a shadow 8.0 ft long. How high is the tower? Round to the nearest unit.
A. 128 ft B. 115 ft C. 101 ft D. 8 ft
An engineer believes a cell phone tower is not exactly perpendicular to the ground. He drops a line from the top of the 70 ft tower and finds the line hits the ground 3.66 feet from the base of the cell phone tower. How many degrees is the angle formed by the tower and the ground?
What will be an ideal response?
Use the commutative or the associative property to complete the statement. State which property is used.5 ? (12 ? 9) = (5 ? 
) ? 9
A. 12; commutative property B. 12; associative property C. -12; associative property D. -12; commutative property
For the given function f(x), find f-1(x) and graph the function and its inverse.f(x) = 3x
A. f(x) = 3x, f-1(x)= x
f(x)
B. f(x) = 3x, f-1(x) = log3 x
f(x)
C. f(x) = 3x, f-1(x)=log3 x
f(x)
D. f(x) = 3x, f-1(x) = log3 x
f(x)
