X - <span>the cost of cell phone service before tax is added
</span>

<span>
</span>
Answer:
0.
Step-by-step explanation:
1) y'=(x⁴)'=4x³;
2) ∡ y'=0, ⇒ 4x³=0; ⇒ x=0.
So
I=P⋅i⋅t=Ii⋅t=50000.04⋅6=20833.33
A y-intercept always has to have an x-value of 0 so the answer is D (the last option)
Answer:
Sorry need to do some thing else brb
Step-by-step explanation: