Find the special product. (9x+8)2
a. 81 x 2 + 144 x + 64
b. 81 x 2 + 72 + 64
c. 18 x 2 + 16
d. 81 x 2 - 64
e. 81 x 2 64
a. 81 x 2 + 144 x + 64
Mathematics
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Find the convergence set for the given power series. Hint: First find a formula for the nth term; then use the Absolute Ratio Test.1 + 9x + 
+ 
+ 
+ . . .
A. -9 ? x ? 9 B. -1 ? x ? 1 C. -1 < x < 1 D. All x
Mathematics
Use trigonometric identities to find the exact value.
A. 2
B. 
C. 
D. 
Mathematics
Solve the problem.Jarod calculated the speed of a train to be 30 feet per second. Calculate the speed in miles per hour.
A. 23 mi./hr. B. 20 mi./hr. C. 16 mi./hr. D. 17 mi./hr.
Mathematics
Convert to scientific notation.293
A. 2.93 × 101 B. 2.93 × 102 C. 2.93 × 103 D. 2.93 × 10-2
Mathematics