Answer:
Step-by-step explanation:
hello :
f(x) = 5x ^ 4 - 2x ^ 2
f(x) = 5x ^ 4+0x^3 - 2x ^ 2+0x+0
the Coefficient are : 5 , 0 , -2 ,0 , 0
i think it is b or d im not for sure though
19*19=361.
Answer: £516
7.5 increase = 100 + 7.5 = 107.5
107.5/100 = 1.075 (multiplier)
480 x 1.075 = 516
