Solve and graph. Write the solution set in interval notation.9x + 2 < -43 and -1 - 4x > -17
A. (-?, -5) ? (4, ?)
B. (-?, 4)
C. (-5, 4)
D. (-?, -5)
Answer: D
Mathematics
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Solve the equation. Give an approximate solution to four decimal places.4x + 8 = 4
A. 1.9031 B. 9.0000 C. -0.9031 D. -7.0000
Mathematics
Completely factor the polynomial or state that the polynomial is prime.6y2 + 27y - 15
A. 3(2y + 1)(y - 5) B. 3(2y - 1)(y + 5) C. prime D. (6y - 3)(y + 5)
Mathematics
Use rational exponents to simplify the expression. If rational exponents appear after simplifying, write the answer in radical notation.
A. 
B. 
C. x3
D. 
Mathematics
Determine whether the equation defines y as a function of x. y = x4
A. function B. not a function
Mathematics