Soit la fonction f définie par f(x)=5x-6 a) Calculer l’image de 0 par f
b)Calculer f(2);f(-3)
c) Quel est l’antécédent de 9 par f ?

Is a positive integer raised to a negative power always positive

Arectangle has a width of 5 cm and a length of 10 cm. if the width is increased by 3, how does the perimeter change?

Look at the figure below: triangle abc is a right triangle with angle abc equal to 90 degrees. the length of ac is 5 units and the length of ab is 4 units. d is a point above c. triangle adc is a right triangle with angle dac equal to 90 degrees and dc parallel to ab. what is the length, in units, of segment cd?