Find the point where the tangent line to
y
=
5
x
4
\displaystyle {y}={5}{x}^{{4}}
y
=
5
x
4
at
x
=
0.7
\displaystyle {x}={0.7}
x
=
0.7
crosses the x-axis.
x-intercept =
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\displaystyle
Enter your answer as a number (like 5, -3, 2.2172) or as a calculation (like 5/3, 2^3, 5+4)
Enter DNE for Does Not Exist, oo for Infinity