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What is the equation of the tangent at the point (2,1) of the curve with equation x^2 + 3x + 4.

dy/dx = 2x + 3, m = dy/dx = 7 Equation of tangent is a straight line hence we use y-y1 = m(x-x1), y-1 = 7(x - 2), y = 7x - 13

BA
Answered by Bishr A. Maths tutor
3224 Views

Translate the text in French: Last Monday I went to the ice cream shop with my best friend Marie. It was a very fun day in my opinion. Sadly, the next morning I woke up with a sore throat and I had to visit the doctor. My mom came with me.

Lundi dernier, je suis allée au glacier avec ma meilleure amie Marie. C'était une journée très amusante à mon avis. Malheureusement, le lendemain matin, je me suis reveillée avec un mal de gorge et j'ai d...

Answered by French tutor
1756 Views

Describe and explain how the secretion of ADH affects urine produced by the kidneys.

ADH diffuses into the bloodstream and acts in the kidney to regulate the volume and concentration of the urine . The ADH binds onto the receptors on the collecting duct controlling the permeability of the...

AM
Answered by Adithi M. Biology tutor
6069 Views

(3x+9) (7x+5)

21x^2 + 78x + 45

CA
Answered by Caitlin A. Maths tutor
2465 Views

Why did you want to study medicine?

My passion for medicine originated after studying medicine through time in GCSE history, I started to understand how far medicine had developed in such a short time and I began to appreciate healthcare as...

BT
923 Views

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