Given the system
[4x-y+2z=-1
-x+ 2y + 5z = 2, which is true?
|-x+y=3z= 1
O
O
O
The system has no solutions.
The system has exactly one solution.
The system has exactly three solutions.
The system has an infinite number of solutions.

2

step-by-step explanation:

757764

step-by-step explanation:

de77737dd

1; 35 is the ratio

step-by-step explanation:

1 number

if we use a graphing calculator, there is only one such number that satisfies the conclusion of the mean value theorem, that is, a number such that

where the right-hand side is the average rate of change of f on the interval [0.5,0.75], which is the slope of the secant line.

in the attached graph, the black line is the secant line which has its slope as the average rate of change of f on [0.5,0.75], while the orange line is the only tangent line to the graph of f in the interval that satisfies the mvt conclusion.