Solve.Find the sum of the first 403 odd natural numbers.
A. 162,812
B. 163,216
C. 161,604
D. 162,409
Answer: D
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Find the exact value of the real number y.y = tan -1 
A. 
B. 
C. 
D. 
Use logistic regression to find a logistic model for the following data. x 5 10 15 20 25 y 23.77 65.13 96.24 155.61 180.92?
A. ?
B. 
C. 
D. 
Solve the problem.When $5600 is invested in a savings account paying simple interest for the year, the interest, i in dollars, can be obtained from the equation i = 5600r , where r is the rate of interest in decimal form. Graph i = 5600r , for r up to and including a rate of 16%. If the rate is 12%, how much interest is earned?
A. $692 B. $6720 C. $672 D. $656
Provide an appropriate response.Does every straight line have an x-intercept? If not, give an example of an equation whose graph does not have an x-intercept.
What will be an ideal response?