y=2x+3 and 𝑥=4x=4, what is the value of 𝑦y?

Algebraic equations (Part 1)SOLVING EQUATIONSThe table below summarises the equation y=4x+4𝑦=4𝑥+4. However, there is a missing number in the output values.x𝑥3377881010y𝑦? 323236364444What is the missing number?Answer:The missing output value is:

It is given that  𝑑𝑦𝑑𝑥=𝑥+𝑥25+2 and that y = 3 when x = 4. Find an expression for y in terms of x. 𝑦=𝑥2 +  𝑥3 +  -

Find 𝒅𝒚𝒅𝒙 at x=2 if y = 𝐭𝐚𝐧−𝟏(𝒙)+𝒆−𝒙𝑺𝒊𝒏𝟐𝒙

The function 𝑓 is given by 𝑓𝑥=log2𝑥. What input value in the domain of 𝑓 yields an output value of 4 ?

​ y=3x 2 −kxy=4−2x​ In the equation above, 𝑘 is a constant. One point at which the graphs of the equations intersect in the 𝑥𝑦-plane is (𝑛, 0), where 𝑛 is a constant. What is the value of 𝑘 ?