![\bf y=3x^2+5x+4\implies 6x^2+5x+1=3x^2+5x+4\implies 3x^2=3 \\\\\\ x^2=\cfrac{3}{3}\implies x^2=1\implies x=\pm\sqrt{1}\implies \boxed{x=\pm 1} \\\\[-0.35em] ~\dotfill\\\\ \cfrac{dy}{dx}=6x+5\implies \cfrac{dy}{dx}=6(\pm 1)+5\implies \cfrac{dy}{dx}= \begin{cases} 11\\ -1 \end{cases}](/tpl/images/0270/9538/b2bec.png)
Finf the gradients of the lines with y-intercept 1 that are tangents to the curve y=3x^2+5x+4.
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Mathematics, 28.09.2019 12:00 u8p4
Finf the gradients of the lines with y-intercept 1 that are tangents to the curve y=3x^2+5x+4.
do it with the full explanations for the solutions
Answers: 1
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