The Figure Below Shows the Contour Map of a Function $\vec{F}$

question 18

Multiple Choice

The figure below shows the contour map of a function z = f(x, y) . Let $\vec{F}$ be the gradient vector field of f, i.e., $\vec{F}=\text { gradf }$ Which of the vector fields show $\vec { F } ?$

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Definitions:

Sulfuric Acid

Sulfuric Acid is a highly corrosive strong mineral acid with the molecular formula H2SO4, widely used in industry and laboratories.

Voltage Regulator

A device that maintains the output voltage of a power supply within specified limits, despite variations in load or input voltage.

Overcharging

The process of applying too much charge to a battery, which can damage it or reduce its lifespan.

Electrolyte

The electrically conductive substance in a voltaic cell that interacts between electrodes (anode and cathode). The electrolytic media in a standard lead-acid battery is a solution of 34 percent sulfuric acid and 66 percent pure (distilled) water.