What causes a solution to a rational equation to be an extraneous solution?
a) when there is more than one solution, one of the solutions is extraneous.
b) if a solution results in zero when substituted into the denominator of the equation, the solution is extraneous.
c) if a solution results in a negative number when substituted into the denominator of the equation, the solution is extraneous.
d) when a solution is a fraction, the solution is extraneous.

Diana is painting statues she has 7/8 of a liter of paint each statue requires 1/20 of a liter of paint how many statues can she paint?

Which of the expressions (on the photo document i inserted) together represent all solutions to the following equation? 8cos(12x)+4=-4 *the answer should be in degrees.* > i would like for someone to explain the process to find the solutions for this.

The position of a moving particle is given by the position function: f(t)=-9t-t^2-0.2t^3+0.1t^4 a. at what time does the particle reverse direction? b. when is the displacement positive? (round one decimal place and answer in interval notation) c. when is the displacement negative? (round one decimal place and answer in interval notation) d. when is the particle’s acceleration positive? (round one decimal place and answer in interval notation) e. when is the particle’s acceleration negative? (round one decimal place and answer in interval notation)