Answer:
y = -2x + 150
Step-by-step explanation:
y2 - y1 / x2 - x1
120 - 100 / 15 - 25
20 / -10
= -2
y = -2x + b
100 = -2(25) + b
100 = -50 + b
150 = b
Answer:
C
Step-by-step explanation:
Step-by-step explanation:
Taking the derivative of both sides with respect to x, we get


Solving for
, we get

Answer:
try multiplication
Step-by-step explanation:
Use T and J as names.
T=2x
J=3T but T=2x, so
J=3(2x) = 6x
J=6x