notice... a derivative is just the function for the slope
now, you're given the point 3,1, namely x = 3 and y = 1
to find the "m" or slope, use that derivative, namely
that'd give you a value for the slope
to get the tangent line at that point, simply plug in the provided values
in the point-slope form
and then you solve it for "y", I gather you don't have to, but that'd be the equation of the tangent line at 3,1
Turn that percent into a decimal and multiply that by $7.50. 0.04(7.50)=.30. Add that to the original value. 7.50+.30=7.80. It will be $7.80 after a 4% sales tax.
The perimeter<span> of an </span>equilateral triangle<span> is 7 </span>inches more than<span> the </span>perimeter<span> of a </span>square<span>, and the </span>side<span> of the </span>triangle<span> is 5 </span>inches<span> longer </span>than<span> the </span>side<span> of the </span>square<span>. </span>Find<span> the </span>side of the triangle<span>. (Hint: An </span>equilateral triangle<span> has three </span>sides the same length<span>.</span>
answer: i think that it would increase by about 20 percent
i am not sure, if i m wrong then i am very sorry!
Step-by-step explanation: