Answer: 0 ≤ x ≤ 4.75
Step-by-step explanation: Domain is the range of possible x values that make sense in the equation. Since the x values are time, and there cannot be negative time, x must obviously be positive. And since y is height and height can't be negative, the domain of x ends at the x-intercept, the point at which y begins to become negative. So the domain of x is 0 is less than or equal to x which is less than or equal to about 4.75.
14000 ÷ 100 = 140
140 x 20 = 2800 = price of vat
14000 - 2800 = 11200 = total cost of van
11200 ÷ 100 = 112
112 x 4 = 448 = deposit
11200 - 448 = 10752
10752 ÷ 24 = 448
£448 per month
Tan(3x) = 1
3x = arctan(1) = pi/4, -3pi/4
x = (pi/4)/3 = pi/12 or (-3pi/4)/3 = -pi/4
Therefore, x = pi/12 or -pi/4
Answer: D
Two sides are equal all angles smaller than. Right angle makes them acute
Step-by-step explanation:
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