Solve the problem.f(x) = 2x - 2 is defined on the interval 
. In (a) and (b), approximate the area under f as follows:(a)Partition 
into four subintervals of equal length and choose u as the left endpoint of each subinterval.(b)Partition 
into four subintervals of equal length and choose u as the right endpoint of each subinterval.(c)What is the actual area A?
Fill in the blank(s) with the appropriate word(s).
(a) 12 (b) 20 (c) 16
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Find the function value to four decimal places.Find sin ? when cos ? = -0.2857 and sin ? < 0.
A. -3.5000 B. -6.7082 C. -0.9583 D. -3.3541
Solve the radical equation.
= 8
A. 
B. {8}
C. {64}
D. 
Determine whether the relation represents a function. If it is a function, state the domain and range.{(-2, 6), (0, 4), (4, -4), (7, -2)}
A. function domain: {6, 4, -4, -2} range: {-2, 0, 4, 7} B. function domain: {-2, 0, 4, 7} range: {6, 4, -4, -2} C. not a function
Suppose that in the loan described, the borrower made a larger payment, as indicated. Calculate (a) the time needed to pay off the loan, (b) the total amount of the payments, and (c) the amount of interest saved, compared with the original loan and payments.$5500; 10% compounded monthly; 24 monthly payments; with larger payment of $700.
A. (a) 8 months (b) $5333.58 (c) $291.81 B. (a) 8 months (b) $5600 (c) $393.81 C. (a) 9 months (b) $6300 (c) $444.81 D. (a) 9 months (b) $5712.39 (c) $378.81