Hola me pueden ayudar con esto porfa urgente 1. obtenga una ecuación de la recta tangente a la grafica de:

f(x) = 4 - x² que sea paralela a la recta 2x + y - 5. ilustre gráficamente.

2. halle los valores de α pertenecientes al intervalo abierto (π/2, 3π/2) tales que la recta tangente a la grafica de f(x) = sen x en el punto (α, f(α)) sea paralela a la recta x + 2y + 2=0. ilustre gráficamente.

3. halle el punto sobre la grafica de f(x) = x²-2x + 3 donde la recta normal sea paralela a la recta x + 4y = 4. ilustre gráficamente.

porfa lo necesito urgente

The median of a data set is the measure of center that is found by adding the data values and dividing the total by the number of data values that is the value that occurs with the greatest frequency that is the value midway between the maximum and minimum values in the original data set that is the middle value when the original data values are arranged in order of increasing (or decreasing) magnitude

If i have 20$ and i gave 5$ away how much i got

Use the following statements to write a compound statement for the conjunction or disjunction. then find its truth value. p: an isosceles triangle has two congruent sides. q: a right angle measures 90° r: four points are always coplanar. s: a decagon has 12 sides. a) a right angle measures 90° or an isosceles triangle has two congruent sides; true. b) a right angle measures 90° and an isosceles triangle has two congruent sides; true. c) a right angle measures 90° and an isosceles triangle does not have two congruent sides; false. d) a right angle measures 90° or an isosceles triangle does not have two congruent sides; true.