Find an approximate equation y = abx of the exponential curve that contains the given pair of points. Round the values of a and/or b to two decimal places, if necessary.(4, 42.1) and (8, 89.1)
A. y = 19.89(1.21)x
B. y = 254.05(1.21)x
C. y = 8.35(1.26)x
D. y = 701.67(0.42)x
Answer: A
Mathematics
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Perform the operations indicated. Write your answer in simplest form.-175 ÷ 7
A. 25
B. -25
C. - 
D. -35
Mathematics
Find an equation for the line with the given properties.Perpendicular to the line 3x + 4y = -5; y-intercept = 1
A. 3x + 4y = 3 B. 4x - 3y = -3 C. 3x + 4y = 4 D. 4x - 3y = 4
Mathematics
Approximate the value using a calculator. Round your answer to three decimal places.e?
A. 23.141 B. 22.459 C. 5.860 D. 8.540
Mathematics
Choose the appropriate sketch for the indicated geometric object.Perpendicular lines 
and 
A.
| A? | B |
| C? | D |
B.
C.
D.
Mathematics