First one: false
second one: false
third one: false
fourth one: true
Answer:
3
Step-by-step explanation:
f(x) = 3x+1
f(x+h) = 3(x+h)+1 = 3x+3h+1
f(x+h) - f(x)= 3x+3h+1-3x-1 = 3h
3h/h=3
Answer:
Y=2x+0.5
Step-by-step explanation:
The gradient is 2/1=2x
The y-intercept looks to be around 0.5
Answer:
$4.56
Step-by-step explanation:
The tax is found by multiplying the tax rate by the amount of the sale.
... 6.25% × $72.99 = $4.56
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Some calculators deal directly with percentages, so you don't even have to think about it. Your friendly, local Google search box is an excellent calculator for many purposes.
The base fee ($30 & $20) are the independent variables.
An independent variable is a variable that does not depend on others
$8 & $10 depend on the number of hours so that is not the independent variable
