The (r + 1)st term of the expression (a + b)n, 0 ? r ? n, is given by 
an - rbr. Find the specified term.The 3rd term of (4x + 9)3.
A. 432x2
B. 81
C. 1944x
D. 972x
Answer: D
Mathematics
You might also like to view...
Find the probability of getting a red face card (King, Queen, or Jack). ?
A.
?
B.
?
C.
?
D.
?
E.
?
Mathematics
Solve the problem.A pick-up truck is fitted with new tires which have a diameter of 41 inches. How fast will the pick-up truck be moving when the wheels are rotating at 335 revolutions per minute? Express the answer in miles per hour rounded to the nearest whole number.
A. 50 miles per hour B. 7 miles per hour C. 41 miles per hour D. 20 miles per hour
Mathematics
Add.1
+ (-4)
A. - 5
B. 2
C. 5
D. - 2
Mathematics
Find the number of x-intercepts for the function. f(x) = 5x2 - 3x + 7
A. One B. Two C. None
Mathematics