$[0/1$ Points$]$

TANAPCALCBR$93\mathrm{.}6\mathrm{.}024.$

Find $d\frac{y}{d}x$ by implicit differentiation.

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$21.$

$[0/1$ Points$]$

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$$ TANAPCALCBR$93\mathrm{.}6\mathrm{.}032.$

Find an equation of the tangent line to the graph of the function $f$ defined by the equation at the indicated point.

$r^2-x^2-144$

$y=(6,6\sqrt[\phantom{2}]{5})$

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Use differentials to approximate the quantity. $($Give your answer correct to $4$ decimal places.$)$

$\sqrt[\phantom{2}]{5}$

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