Answer:
a line passing through (negative 4, 2), (0, 0) and (4, negative 2).
Step-by-step explanation:
A function exhibiting direct variation MUST pass through the origin, (0, 0), and the graph must be a straight line. The answer that satisfies these requirements is
a line passing through (negative 4, 2), (0, 0) and (4, negative 2).
Answer:
Step-by-step explanation:
y=25000(1+6,4%)^x
x=8 (2012-2020)
Answer: $144.50
Step-by-step explanation:
is/of = %/100
x/85 = 170/100
14,450 = 100x
divide by 100
x = $144.50
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(x - 3)(x + 9) = -27
Expand the brackets:
x^2 + 9x - 3x - 27 = -27
Simplify:
x^2 + 6x - 27 = -27
+ 27 to both sides
x^2 + 6x = 0
Factorise:
x(x + 6)
The solutions are x = 0, x = -6
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