Answer:
B
Step-by-step explanation:
x² + y² = 3 creates a circle and circles are not functions because one x-value relates to two y-values instead of one
0.3*42 this gives you a 30% discount
3/10*42 this gives you a 30% discount
0.03*42 this gives you a 3% discount
3 *4.2 This is not a discount
Step-by-step explanation:
I don't recognize this problem, please make sure the input is complete.
Use an addition or subtraction formula to find the exact value of the expression, as demonstrated in example 1. tan(105°)