Solve the equation. Use the change of base formula to approximate an exact answer to the nearest hundredth when appropriate.ex = 147
A. x = 147e
B. x = ln 147
C. x = log3147
D. x = log 147
Answer: B
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Graph.y = 4x2 - 2x - 5
A. 
B. 
C. 
D. 
Change the Cartesian integral to an equivalent polar integral, and then evaluate.
A. 
B. 
C. 
D. 
Solve. Assume the exercise describes a linear relationship.A vendor has learned that, by pricing hot dogs at $1.75, sales will reach 76 hot dogs per day. Raising the price to $2.50 will cause the sales to fall to 43 hot dogs per day. Let y be the number of hot dogs the vendor sells at x dollars each. Write a linear equation that models the number of hot dogs sold per day when the price is x dollars each.
A. y = - 
x + 
B. y = -44x - 153
C. y = 44x - 1
D. y = -44x + 153
Rationalize the denominator and simplify. Assume that all variables represent positive real numbers.
A. 5
B. 
C. 5y
D. 