Solve the problem.How many 4-digit numbers can be formed using the digits 1, 2, 3, 4, 5, 6, 7, 8, 9, and 0? No digit can be used more than once.
A. 210
B. 151,200
C. 302,400
D. 5040
Answer: D
Mathematics
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Evaluate the integral.
A. tan2 ? + sec ? + C B. tan ? + sec ? + C C. sec2 ? - tan ? + C D. tan ? - sec ? + C
Mathematics
Use the rules for exponents to rewrite the expression and then evaluate the new expression. 
A. 
B. -4
C. 2
D. - 
Mathematics
Find a set of parametric equations for the rectangular equation.y = 3x - 3
A. x = 
; y = t - 1
B. x = t; y = 3t2 - 3
C. x = t; y = 3t - 3
D. y = 3t; 3x = t + 3
Mathematics
Solve the equation.
+ 8 = 7
A. ? B. {225} C. {-1} D. {1}
Mathematics