Factorise to (5z-1)(z-4) = 0
then put 5z-1 = 0 so 5z = 1 z = 1/5
z-4=0 z = 4
z = 1/5 and 4
Answer:
f(- 2) = 23
Step-by-step explanation:
substitute x = - 2 into f(x) and evaluate
f(- 2) = 3(- 2)² - (- 2) + 7 = 12 + 4 + 7 = 23
Answer:
y=-1/3x-3
Step-by-step explanation:
ANSWER: 3.14159265358979323846264338327950288419716939937510
EXPLANATION: Pi is an infinite decimal number with no end, which means that after the decimal point, the digits go on forever.
