Solve the problem.Brian buys a book for a class he is taking. To find the sales tax, he needs to multiply by 0.045. What must he pay in sales tax for the book if the selling price is $19? Round the answer to two decimal places.
A. $0.86
B. $0.76
C. $1.06
D. $0.91
Answer: A
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A function 
, where t is measured in years, increases by 8% each year. Its initial value is 17. A formula for F is
?
A. 
B. 
C. 
D. 
Use the square root property to solve the equation.(x + 9)2 = -175
A. {-9 - 5
, -9 + 5
}
B. {9 - 5i
, 9 + 5i
}
C. {5i
- 9, 5i
+ 9}
D. {-9 - 5i
, -9 + 5i
}
Classify the polynomial as constant, linear, quadratic, cubic, or quartic, and determine the leading term, the leading coefficient, and the degree of the polynomial.f(x) = -9x2 - 5x3 + x4
A. Quartic; x4; 0; 4 B. Cubic; - 5x3; -5; 3 C. Quadratic; -9x2; -9; 2 D. Quartic; x4; 1; 4
Predict the end behavior of the graph of the function.f(x) = 9(x - 2)(x2 + 2)
A. Down on the right side, up on the left side B. Down on both sides C. Up on both sides D. Up on the right side, down on the left side