Use the quadratic formula or graphing methods to solve the inequality.9x2 ? 3 - 3x
A. 
? -0.768 ? x ? 
? 0.434
B. x ? 
? 0.434
C. x ? 
? -0.768
D. x ? 
? -0.768 or x ? 
? 0.434
Answer: A
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Find the formula and limit as requested.For the function f(x) = 5x + 3, find a formula for the upper sum obtained by dividing the interval [0, 3] into n equal subintervals. Then take the limit as n?? to calculate the area under the curve over [0, 3].
A. 9 - 
; Area = - 
B. 9 + 
; Area = 
C. 9 + 
; Area = 
D. 9 + 
; Area = 
Write the first four terms of the sequence.an = 2n
A. a1 = 4, a2 = 8, a3 = 16, a4 = 32 B. a1 = 1, a2 = 4, a3 = 9, a4 = 16 C. a1 = 1, a2 = 2, a3 = 4, a4 = 8 D. a1 = 2, a2 = 4, a3 = 8, a4 = 16
Add or subtract.
- 
A. 
B. 
C. 
D. 
Write the exponential equation in its equivalent logarithmic form.
= 
A. log1/5 
= 1
B. log1/5 1 = 
C. log1/5 1 = 0
D. log 
= 