Answer:
A
Step-by-step explanation:
A linear function describes a straight line with constant gradient. Hence A is the answer as it has a constant gradient of -1 .
B is wrong as the graph has an undefined gradient.
C is wrong as it has an increasing gradient.
D is wrong as it does not have a constant gradient too.
Answer:

Step-by-step explanation:
Replace y with f(x).

Swap x and y and solve for y



Answer:f ( x - 1 ) = 3x² - 5x - 7
Step-by-step explanation:
You just answerd it yourself i think.......
The answer would be : A parallelogram with congruent sides does NOT guarantee that a quadrilateral is a rectangle