7. Let or If then so (3 d.p.) If then so (3 d.p.) 8. where and , when so stationary point is 9. (i) (ii) 0 1 2 3 4 5 2.54 2.66 2.77 2.88 3.00 3.11 (ii) and (iii) Intercept is so Gradient is so 2010, (iv) In and . 2010 5 This is extrapolation. is years after the data given. The museum may not have 4825 the capacity for visitors per month or it may close or change etc. The figure is not reliable. 500 10. (i) (ii) (iii) When atoms. (iv) When , rate of decay is atoms per year. (v) Extension
7. Let or If then so (3 d.p.) If then so (3 d.p.) 8. where and , when so stationary point is 9. (i) (ii) 0 1 2 3 4 5 2.54 2.66 2.77 2.88 3.00 3.11 (ii) and (iii) Intercept is so Gradient is so (iv) In 2010, and . This is extrapolation. 2010 is 5 years after the data given. The museum may not have the capacity for 4825 visitors per month or it may close or change etc. The figure is not reliable. 10. (i) 500 (ii) (iii) When atoms. (iv) When , rate of decay is atoms per year. (v) Extension
405812-section-check-in-1.06-exponentials-and-logarithms.docx