Isabella used the following steps to solve an equation.

1. 3(3x + 4) = 9
2. 3x + 4 = 3
3. x + 4 = 1
4. x = −3

Between which steps did she make a mistake?

Select one:
A. Between steps 1 to 2
B. Between steps 2 to 3
C. Between steps 3 to 4
D. No mistake

Select the correct answer from each drop-down menu. rewrite the formula to find voltage. the formula for electrical power (p, in watts) is where v is the voltage in volts and r is the resistance in ohms. for a particular brand of water heater, r is 32 ohms and p is 0.5 watts. the formula to find v is , and the voltage at which the heater operates is volts.

In the xy-plane, if the parabola with equation passes through the point (-1, -1), which of the following must be true?

Which of the functions graphed below has a removable discontinuity?