exam Maths Puzzle Numerical Ability

f(x)= x+1/3x-1

find the value of c if f(c)=c

Read Solution (Total 0)

exam Other Question

perform the indicated operations

(9x^4+3xy-y^3)-(x^4+7xy+ey^3)

a. 9x^4-4xy-4y^3
b. 10x^4+12xy+2y^3
c. 8x^4-4xy-4y^3
d. 8x^4-4xy-2y^3 I am trying to figure out (h) in the following problem. A=1/2h(B+b) where as A=80, B=12, and b=8. I have tried it and come up with h=80 but when i plug the number back in it does not balance out. Please help