exam Maths Puzzle Numerical Ability

Solve the equation

1/x+5 + 3/x+4 = -1/x^2+9x+20

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exam Other Question

i need help finding the are of a shaded region but id have to draw you a picture in order for you to help me. is there a way i can do that so you can help me??

THANKS ALOT What is the y-intercept of the function,y=3(2)(^x)+4 ?