Solve the problem. Use a calculator with an LN or a LOG key.The height in meters of girls of a certain tribe is approximated by 
where t is the girl's age in years and 
Estimate the height (to the nearest hundredth of a meter) of a girl of the tribe 4 years of age.
A. 1.12 m
B. 0.52 m
C. 0.77 m
D. 0.96 m
Answer: C
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Find an equation for the line with the given properties.The solid line L contains the point (1, 4) and is perpendicular to the dotted line whose equation is 
Give the equation of line L in slope-intercept form.
A. y - 4 = 2(x - 1)
B. y = - 
x + 
C. y - 4 = - 
(x - 1)
D. y = 
x + 
Solve the equation by completing the square. Then (i) give the exact solutions and (ii) give the solutions rounded to the nearest thousandth.x2 = 5 - 6x
A. (i) {-1 ± 
} (ii) {2.742, -4.742}
B. (i) {3 + 
} (ii) {6.742}
C. (i) {-3 ± 2
} (ii) {4.483}
D. (i) {-3 ± 
} (ii) {0.742, -6.742}
Approximate the surface area of the figure using 3.14 for ?. Round to the nearest hundredth.
A. 113.04 yd2 B. 314.00 yd2 C. 188.40 yd2 D. 332.75 yd2
Round as indicated.8.61 to the nearest tenth
A. 8.6 B. 8.5 C. 8.7