Solve the equation. State whether the equation is a contradiction, an identity, or a conditional equation.4x - 4 + 2x + 5 = 8x - 2x - 2
A. {0}; conditional equation
B. {1}; conditional equation
C. all real numbers; identity
D. ? or { }; contradiction
Answer: D
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Find the absolute extreme values of the function on the interval.F(x) = - 
, 0.5 ? x ? 3
A. absolute maximum is 
at x = 
; absolute minimum is -12 at x =3
B. absolute maximum is - 
at x = 
; absolute minimum is -12 at x = -3
C. absolute maximum is - 
at x = 3; absolute minimum is -12 at x = - 
D. absolute maximum is - 
at x = 3; absolute minimum is -12 at x = 
Multiply or divide the fractions. Reduce to simplest form.
÷ 
A. 
B. 
C. 
D. 
Factor completely. If the polynomial is prime, state so.343x3 - y3
A. (7x - y)(49x2 + y2) B. (7x - y)(49x2 + 7xy + y2) C. (7x + y)(49x2 - 7xy + y2) D. (343x - y)(x2 + 7xy + y2)
Solve the equation.t - (-9) = 23
A. t = 14 B. t = -14 C. t = -32 D. t = 32