Answer:
-2x³ - 2y² + z⁴
Step-by-step explanation:
Step 1: Write out expression
x³ - 2y² - 3x³ + z⁴
Step 2: Combine like terms (x³)
Answer:x:
y=-5/4
Vertex (1,-1)
focus(1,-3/4)
Axis of symmetry(X=1)
C. 1 mi per 12 min
1x5= 5 miles
12x5=60 minutes
